Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
ESPP expense
Bentley Systems, Incorporated Global Employee Stock Purchase Plan [Member]
Bentley Systems, Incorporated Global Employee Stock Purchase Plan
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Stock-based compensation expense accrued
Share-Based Payment Arrangement Expense, Accrued
Share-Based Payment Arrangement Expense, Accrued
Business Combination, Separately Recognized Transaction [Table]
Business Combination, Separately Recognized Transaction [Table]
Depreciation, amortization, and impairment
Depreciation, Amortization, And Impairment
Depreciation, Amortization, And Impairment
Award Timing Predetermined
Award Timing Predetermined [Flag]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Entity File Number
Entity File Number
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Interest Rate Swap
Interest Rate Swap [Member]
Equity in net (losses) income of investees, net of tax
Income (Loss) from Equity Method Investments
Tabular List, Table
Tabular List [Table Text Block]
Tax expense
Other Comprehensive Income (Loss), Tax
Leases [Abstract]
Schedule of Dividends Declared
Dividends Declared [Table Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Interest expense, net
Interest expense, net
Interest Income (Expense), Nonoperating
Licenses
License [Member]
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Basic (USD per share)
Earnings Per Share, Basic
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Accounts payable, accruals, and other liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Shares reserved for future issuance (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Revenue from Contracts with Customers
Revenue from Contract with Customer [Text Block]
Actuarial (Loss) Gain on Retirement Plan
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member]
Schedule of Stock by Class [Table]
Stock, Class of Stock [Table]
Total other comprehensive (loss) income, net of taxes
Other comprehensive (loss) income
Other Comprehensive Income (Loss), Net of Tax
Shares issued in connection with employee stock purchase plan, net (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Remaining performance obligation amount
Revenue, Remaining Performance Obligation, Amount
Participating securities outstanding (in shares)
Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Concentration risk percentage
Concentration Risk, Percentage
Remaining performance obligation, percent to be recognized over next twelve months
Revenue, Remaining Performance Obligation, Percentage
Consolidation
Consolidation, Policy [Policy Text Block]
Reportable Segment
Reportable Segment [Member]
Reportable Segment
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Stock Option
Share-Based Payment Arrangement, Option [Member]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Software Development Costs
Research and Development Expense, Policy [Policy Text Block]
Prepaid income taxes
Prepaid Taxes
Category of Item Purchased [Axis]
Category of Item Purchased [Axis]
SELECT subscriptions
SELECT Subscriptions [Member]
SELECT Subscriptions
Cash paid for income taxes
Income Taxes Paid
Bonus Plan expense
Bonus Plan [Member]
Bonus Plan
Forfeited and canceled (in shares)
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Canceled And Forfeited In Period
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Canceled And Forfeited In Period
Dividends declared
Dividends, Common Stock, Cash
Total Bentley Systems stockholders’ equity
Equity, Attributable to Parent
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Other comprehensive (loss) income, net of taxes:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Insider Trading Policies and Procedures [Line Items]
Total stock-based compensation expense
Share-Based Payment Arrangement, Expense
Schedule of Property and Equipment, Net
Property, Plant and Equipment [Table Text Block]
Common stock shares authorized (in shares)
Common Stock, Shares Authorized
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table]
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payment and Postretirement Benefit [Table]
Goodwill and Intangible Assets Disclosure [Abstract]
Current assets:
Assets, Current [Abstract]
Total liabilities and equity
Liabilities and Equity
Fair Value, Recurring
Fair Value, Recurring [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Liabilities and Equity
Liabilities and Equity [Abstract]
Cover [Abstract]
Money market funds
Cash and Cash Equivalents, Fair Value Disclosure
Restricted stock and RSUs expense
Restricted Stock Units (RSUs)
Restricted Stock And Restricted Stock Units RSUs [Member]
Restricted Stock And Restricted Stock Units RSUs
Cost of subscriptions and licenses
Cost, Amortization
Maximum
Maximum [Member]
General and administrative
General and Administrative Expense [Member]
Estimated Useful Life
Finite-Lived Intangible Asset, Useful Life
Schedule of Equity Method Investments [Table]
Equity Method Investment [Table]
Less: Net income (loss) attributable to noncontrolling interest
Less: Net income (loss) attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Net Book Value
Finite-Lived Intangible Assets, Net
Segment reporting other segment item amount, Adjusted OI w/SBC
Segment Reporting, Other Segment Item, Amount, Adjusted Operating Income Less Stock Based Compensation
Segment Reporting, Other Segment Item, Amount, Adjusted Operating Income Less Stock Based Compensation
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Internal-Use Software Implementation Costs
Internal Use Software, Policy [Policy Text Block]
Repayments of term loan
Repayments of Secured Debt
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Schedule of Restricted Stock and Restricted Stock Unit Activity
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Pay vs Performance Disclosure [Line Items]
Headcount adjustment amount, Adjusted OI w/ SBC measure
Headcount Adjustment Amount Adjusted Operating Income Less Stock-Based Compensation Measure
Headcount Adjustment Amount Adjusted Operating Income Less Stock-Based Compensation Measure
Retirement Benefits [Abstract]
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Shares issued in connection with executive bonus plan (in shares)
Stock Issued During Period, Shares, Issued for Services
Accrued compensation
Accrued Salaries, Current
Acquisitions
Business Combination [Text Block]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Shell Company
Entity Shell Company
Weighted average interest rate over time
Long-Term Debt, Weighted Average Interest Rate, over Time
Debt instrument, convertible, number of equity instruments, conversion rate per $1,000 in principal (shares per USD)
Debt Instrument, Convertible, Number of Equity Instruments, Conversion Rate Per $1,000 In Principal
Debt Instrument, Convertible, Number of Equity Instruments, Conversion Rate Per $1,000 In Principal
Other liabilities
Other Liabilities, Noncurrent
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Schedule of Investments
Investment [Table Text Block]
Total amortization expense
Amortization of purchased intangibles
Cost, Amortization And Amortization Of Intangible Assets
Cost, Amortization And Amortization Of Intangible Assets
Statement of Stockholders' Equity [Abstract]
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis]
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis]
Remaining lease term (less than)
Lessee, Operating Lease, Remaining Lease Term
Statement of Cash Flows [Abstract]
Current portion of long-term debt
Less: Current portion of long-term debt
Long-Term Debt, Current Maturities
Company Selected Measure Amount
Company Selected Measure Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Dilutive effect of ESPP (in shares)
Incremental Common Shares Attributable to Dilutive Effect Of Employee Stock Purchase Program
Incremental Common Shares Attributable to Dilutive Effect Of Employee Stock Purchase Program
Comprehensive income attributable to Bentley Systems
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Name
Measure Name
Shares withheld for cost of options and tax withholding obligation (in shares)
Share-Based Payment Arrangement, Shares Withheld For Cost Of Options And Tax Withholding Obligation
Share-Based Payment Arrangement, Shares Withheld For Cost Of Options And Tax Withholding Obligation
Income taxes payable
Accrued Income Taxes, Noncurrent
Operating lease liabilities
Operating Lease, Liability, Current
Class of Stock [Line Items]
Class of Stock [Line Items]
Deferred income taxes
Deferred Income Tax Liabilities, Net
Document Fiscal Period Focus
Document Fiscal Period Focus
Award Timing Method
Award Timing Method [Text Block]
Furniture, fixtures, and equipment
Furniture and Fixtures [Member]
Award Type [Axis]
Award Type [Axis]
Deferred revenues
Contract with Customer, Liability, Noncurrent
Foreign Currency Translation
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Billing Status, Type [Axis]
Billing Status, Type [Axis]
Total debt
Long-term debt
Long-Term Debt
Total assets
Assets
Change in fair value of interest rate swap
Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments
Investment, Name [Domain]
Investment, Name [Domain]
Trading Symbol
Trading Symbol
Vested (USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Geographical [Domain]
Geographical [Domain]
Fully vested shares granted (in shares)
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Shares exercised, net of shares withheld (in shares)
Share-Based Compensation Arrangement By Share-based Payment Award, Options, Exercises In Period, Net Of Shares Withheld
Share-Based Compensation Arrangement By Share-based Payment Award, Options, Exercises In Period, Net Of Shares Withheld
Contract with customer liability additions
Contract With Customer, Liability, Additions
Contract With Customer, Liability, Additions
Entity Address, City or Town
Entity Address, City or Town
Share-settled executive bonus plan awards
Share-based Compensation Arrangement by Share-based Payment Award, Settled In Shares
Share-based Compensation Arrangement by Share-based Payment Award, Settled In Shares
Cash flows from operating activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Basis of Presentation and Significant Accounting Policies
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Acquired finite-lived intangible assets, weighted average useful life
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life
Schedule of Deferred Compensation Plan Liabilities
Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits [Table Text Block]
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Income Statement Location [Domain]
Statement of Income Location, Balance [Domain]
RSUs
Restricted Stock Units (RSUs) [Member]
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Total consideration
Business Combination, Consideration Transferred
Assets:
Assets, Fair Value Disclosure [Abstract]
Entity Emerging Growth Company
Entity Emerging Growth Company
Dividend per share (USD per share)
Common Stock, Dividends, Per Share, Declared
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Right-of-use assets obtained in exchange for new operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Total identifiable assets acquired excluding goodwill
Business Combination, Recognized Asset Acquired, Asset
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Equity method investments
Equity Method Investments
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Business Combination [Domain]
Business Combination [Domain]
Common stock shares outstanding (in shares)
Beginning balance (in shares)
Ending balance (in shares)
Common Stock, Shares, Outstanding
Receipts related to interest rate swap
Derivative Instruments Not Designated as Hedging Instruments, Refund Or Payments
Derivative Instruments Not Designated as Hedging Instruments, Proceeds (Payment)
Schedule of Components of Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Plan Name [Axis]
Plan Name [Axis]
Document Information [Table]
Document Information [Table]
PEO
PEO [Member]
Schedule of Disaggregation of Revenue by Type and Location
Disaggregation of Revenue [Table Text Block]
Deferred compensation plan expense
Deferred Compensation Arrangement With Individual, Compensation Expense (Income)
Deferred Compensation Arrangement With Individual, Compensation Expense (Income)
Interest income
Investment Income, Interest
Income before income taxes
Income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Foreign exchange
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Letters of Credit And Surety Bonds
Letters of Credit And Surety Bonds [Member]
Letters of Credit And Surety Bonds
Shares issued (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period
Deferred compensation plan
Bonus plan compensation expense
Deferred compensation plan
Deferred Compensation Arrangement with Individual, Compensation Expense
Income taxes payable
Accrued Income Taxes, Current
United States
UNITED STATES
Changes in assets and liabilities, net of effect from acquisitions:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Accumulated Deficit
Retained Earnings [Member]
Prepaid and other current assets
Prepaid Expense and Other Assets, Current
Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Share-Based Payment Arrangement [Abstract]
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Interest rate swap
Derivative Asset
Provision for income taxes
Provision for income taxes
Income Tax Expense (Benefit)
Class B Common Stock
Common Class B [Member]
Document Information [Line Items]
Document Information [Line Items]
Preferred stock shares issued (in shares)
Preferred Stock, Shares Issued
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Product and Service [Domain]
Product and Service [Domain]
Add: Interest expense, net of tax, attributable to assumed conversion of convertible senior notes
Interest on Convertible Debt, Net of Tax
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Customer Concentration Risk
Customer Concentration Risk [Member]
Long-term Purchase Commitment [Table]
Long-Term Purchase Commitment [Table]
Total Bentley Systems Stockholders' Equity
Parent [Member]
Net income
Net income
Net income (loss)
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Total liabilities
Liabilities, Fair Value Disclosure
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Other interest expense
Other Interest Income (Expense)
Other Interest Income (Expense)
Other Income and Expenses [Abstract]
Schedule of Business Combination, Recognized Asset Acquired and Liability Assumed
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Less: Accumulated depreciation
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization
City Area Code
City Area Code
Acquisitions, net of cash acquired
Net cash paid
Payments to Acquire Businesses, Net of Cash Acquired
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Building and improvements
Building and Building Improvements [Member]
All Trading Arrangements
All Trading Arrangements [Member]
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Accruals and other current liabilities
Total accruals and other current liabilities
Accruals and other current liabilities
Accrued Liabilities, Current
DCP elective participant deferrals expense
Deferred Compensation Plan Expense [Member]
Deferred Compensation Plan Expense [Member]
Shares outstanding (in shares)
Unvested, beginning balance (in shares)
Unvested, ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Commitments and Contingencies Disclosure [Abstract]
Proceeds from credit facilities
Proceeds from Long-Term Lines of Credit
Cash flows from investing activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
General and administrative
General and Administrative Expense
Total long-lived assets
Long-Lived Assets
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
2020 Incentive Award Plan
Two Thousand Twenty Incentive Award Plan [Member]
Two Thousand Twenty Incentive Award Plan
Contributions by employer
Deferred Compensation Arrangement with Individual, Contributions by Employer
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Perpetual licenses
Perpetual licenses
Perpetual Licenses [Member]
Perpetual Licenses
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Equity Method Investments and Joint Ventures [Abstract]
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain]
Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain]
Program Name [Domain]
Program Name [Domain]
Program Name [Domain]
Preferred stock par value (USD per share)
Preferred Stock, Par or Stated Value Per Share
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total operating lease cost
Lease, Cost
Cost of revenues:
Cost of Sales [Member]
Schedule of Equity Method Investments [Line Items]
Schedule of Equity Method Investments [Line Items]
Goodwill
Goodwill
Goodwill beginning balance
Goodwill ending balance
Goodwill
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Schedule of Supplemental Cash Flow and Other Information Related to Leases
Lease, Cost [Table Text Block]
PEO Total Compensation Amount
PEO Total Compensation Amount
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Money Market Funds
Money Market Funds [Member]
Accelerated Commercial Development Program (ACDP)
Accelerated Commercial Development Program (ACDP) [Member]
Accelerated Commercial Development Program (ACDP)
Convertible senior notes due July 2027 (the “2027 Notes”)
Senior Notes Due July 2027 [Member]
Senior Notes Due July 2027
Teralytics
Teralytics [Member]
Teralytics
Subscriptions
Subscriptions
Subscription and Circulation [Member]
Term license subscriptions
Term License Subscriptions [Member]
Term License Subscriptions
Equity Components [Axis]
Equity Components [Axis]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Convertible Debt
Convertible Debt [Member]
Shares issued in connection with deferred compensation plan, net
Stock Issued During Period, Value, Deferred Compensation Plan
Stock Issued During Period, Value, Deferred Compensation Plan
Operating Lease, Lease Not yet Commenced
Operating Lease, Lease Not yet Commenced [Member]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Stock option exercises, net
Stock Issued During Period, Value, Stock Options Exercised, Net Of Shares Withheld For Taxes
Stock Issued During Period, Value, Stock Options Exercised, Net Of Shares Withheld For Taxes
Discrete income tax expenses (benefits)
Discrete Income Tax Expense (Benefit)
Discrete Income Tax Expense (Benefit)
Number of reportable segments
Number of Reportable Segments
Share-based compensation tax withholding payment
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid
AOCI Attributable to Noncontrolling Interest
AOCI Attributable to Noncontrolling Interest [Member]
Research and development costs capitalized
Capitalized Computer Software, Additions
Other Performance Measure, Amount
Other Performance Measure, Amount
Entity Address, State or Province
Entity Address, State or Province
Amount
Dividends, Common Stock
Total current liabilities
Liabilities, Current
Executive Incentive Plans
Compensation Related Costs, General [Text Block]
Income tax refunds
Proceeds from Income Tax Refunds
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Long-Term Purchase Commitment, Category of Item Purchased [Domain]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
DCP participant deferrals
Deferred Compensation Arrangement with Individual, Distribution Paid
Individual:
Individual [Axis]
Vesting [Axis]
Vesting [Axis]
Property and equipment, at cost
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization
Fair Value of Financial Instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Research and development
Research and Development Expense [Member]
Net cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Keith A. Bentley [Member]
Keith A. Bentley
Remaining performance obligation, percent to be recognized over next twelve months, period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activity
Document Fiscal Year Focus
Document Fiscal Year Focus
Basis of Presentation and Significant Accounting Policies
Basis of Accounting, Policy [Policy Text Block]
Stock-Based Compensation
Shareholders' Equity and Share-Based Payments [Text Block]
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Accrued benefits
Accrued Employee Benefits, Current
Numerator:
Numerator [Abstract]
Numerator
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Entity Interactive Data Current
Entity Interactive Data Current
Certain Officers And Key Employees
Certain Officers And Key Employees [Member]
Certain Officers And Key Employees
Operating lease cost
Operating Lease, Cost
Software and technology
Computer Software, Intangible Asset [Member]
Other employee-related liabilities, current
Other Employee-related Liabilities, Current
Plan Name [Domain]
Plan Name [Domain]
Weighted average period
Cost not yet recognized, period for recognition
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Enterprise subscriptions, E365
Enterprise License Subscriptions, E365 Subscriptions [Member]
Enterprise License Subscriptions, E365 Subscriptions
Equity:
Equity [Abstract]
Stock option exercises, net (in shares)
Stock Issued During Period, Shares, Stock Options Exercised, Net Of Shares Withheld For Taxes
Stock Issued During Period, Shares, Stock Options Exercised, Net Of Shares Withheld For Taxes
Granted in period, fair value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value
Segment and Geographic Information
Segment Reporting Disclosure [Text Block]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Trademarks
Trademarks [Member]
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Axis]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Other
Other Capitalized Property Plant and Equipment [Member]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Accumulated Other Comprehensive Loss
Comprehensive Income (Loss) Note [Text Block]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Weighted Average
Weighted Average [Member]
Amortization of purchased intangibles
Amortization of purchased intangibles
Amortization of Intangible Assets
Deferred income taxes
Deferred Income Tax Assets, Net
Stock repurchased
Repurchases of Class B common stock under approved program
Stock Repurchased During Period, Value
Schedule of Accumulated Other Comprehensive Loss
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Other assets
Other Assets, Noncurrent
Customer [Domain]
Customer [Domain]
Central Index Key
Entity Central Index Key
PEO Name
PEO Name
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Debt instrument, convertible, conversion price (USD per share)
Debt Instrument, Convertible, Conversion Price
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
Supplemental information:
Supplemental Cash Flow Elements [Abstract]
Dilutive effect of assumed conversion of convertible senior notes (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Revolving Credit Facility
Revolving Credit Facility [Member]
Arrangement Duration
Trading Arrangement Duration
Share-based Payment Arrangement, Tranche One
Share-Based Payment Arrangement, Tranche One [Member]
Inflation-adjusted target growth period
Deferred Compensation Arrangement, Inflation-Adjusted Target Growth Period
Deferred Compensation Arrangement, Inflation-Adjusted Target Growth Period
Deferred revenues
Contract with Customer, Liability, Current
Segments [Axis]
Segments [Axis]
Prepaid and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Exercise Price
Award Exercise Price
Business Combination, Series of Individually Immaterial Business Combinations
Series of Individually Immaterial Business Acquisitions
Business Combination, Series of Individually Immaterial Business Combinations [Member]
Entity Filer Category
Entity Filer Category
Local Phone Number
Local Phone Number
Class of Stock [Domain]
Class of Stock [Domain]
Denominator:
Denominator [Abstract]
Denominator
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Unrecognized compensation cost, excluding options
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Accounts receivable
Unbilled accounts receivable
Accounts Receivable, before Allowance for Credit Loss, Current
Other
Payment for (Proceeds from) Other Investing Activity
Repurchases of Class B common stock under approved program (in shares)
Stock Repurchased and Retired During Period, Shares
Cash
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Assets
Assets [Abstract]
Long-term debt
Long-term debt
Long-Term Debt, Excluding Current Maturities
Credit Facility [Axis]
Credit Facility [Axis]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Vesting [Domain]
Vesting [Domain]
Debt Instrument [Axis]
Debt Instrument [Axis]
Payments for rent
Payments for Rent
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Retirement Plans
Retirement Benefits [Text Block]
Credit Facility [Domain]
Credit Facility [Domain]
Gross Carrying Amount
Finite-Lived Intangible Assets, Gross
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
Vesting percentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Entity Address, Address Line One
Entity Address, Address Line One
Program Name [Axis]
Program Name [Axis]
Program Name
Americas
United States, Canada, Latin America And Caribbean [Member]
United States, Canada, Latin America And Caribbean
Research and development
Research and Development Expense
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Member]
Debt instrument, interest rate, stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Investment, Name [Axis]
Investment, Name [Axis]
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss, Current
Shares withheld for tax withholding obligation (in shares)
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Long-term operating lease liabilities
Operating Lease, Liability, Noncurrent
Foreign Currency Translation
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member]
Acquisition expenses
Business Combination, Acquisition Expenses
Business Combination, Acquisition Expenses
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Operating lease right-of-use assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Assets, Operating Lease, Right-Of-Use Asset
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Assets, Operating Lease, Right-Of-Use Asset
Forfeited and canceled (USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other Than Options, Canceled And Forfeited, Weighted Average Grant Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other Than Options, Canceled And Forfeited, Weighted Average Grant Date Fair Value
Fair Value as of Grant Date
Award Grant Date Fair Value
Property, Plant and Equipment [Abstract]
Entity Registrant Name
Entity Registrant Name
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Schedule of Other Income (Expense), Net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Deferred compensation plan liabilities
Deferred compensation plan liabilities
Deferred Compensation Liability, Classified, Noncurrent
Total DCP liabilities
Deferred Compensation Liability, Current and Noncurrent
AOI less SBC
Adjusted Operating Income Less Stock-Based Compensation
Adjusted Operating Income Less Stock-Based Compensation
Shares issued in connection with executive bonus plan, net (in shares)
Shares Issued, Shares, Share-Based Payment Arrangement, After Forfeiture, Executive Bonus Plan
Shares Issued, Shares, Share-Based Payment Arrangement, After Forfeiture, Executive Bonus Plan
Research and development costs capitalized, amortization
Capitalized Computer Software, Amortization
Schedule of Long-Term Debt Instruments
Schedule of Long-Term Debt Instruments [Table Text Block]
Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]
Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]
Dilutive effect of stock options, restricted stock, and RSUs (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Depreciation expense
Depreciation, Nonproduction
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Purchases of investments
Payments to Acquire Investments
Title and Position [Domain]
Title and Position [Domain]
Unrecognized compensation
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Document Quarterly Report
Document Quarterly Report
Total assets
Assets, Fair Value Disclosure
Long-term debt, fair value
Long-Term Debt, Fair Value
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Share-Based Payment Arrangement, Tranche Four
Share-Based Payment Arrangement, Tranche Four [Member]
Share-Based Payment Arrangement, Tranche Four
Counterparty Name [Domain]
Counterparty Name [Domain]
Cost method investments
Equity Securities without Readily Determinable Fair Value, Amount
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Schedule of Accruals and Other Current Liabilities
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Repurchase of convertible senior notes
Repayments of Convertible Debt
Grant date fair value (USD per share)
Granted (USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Investments
Total investments
Investments
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Shares issued in connection with executive bonus plan, net
Shares Issued, Value, Share-Based Payment Arrangement, After Forfeiture, Executive Bonus Plan
Shares Issued, Value, Share-Based Payment Arrangement, After Forfeiture, Executive Bonus Plan
Services
Services
Service [Member]
Schedule of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Payments of credit facilities
Repayments of Long-Term Lines of Credit
Restatement Determination Date:
Restatement Determination Date [Axis]
Shares purchased (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award
Cash paid at closing
Cash paid at closing
Payments to Acquire Businesses, Gross
Fully vested shares granted
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Non-PEO NEO
Non-PEO NEO [Member]
Deferred revenues
Business Combination, Recognized Liability Assumed, Deferred Revenue, Current
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Shares issued in connection with employee stock purchase plan, net
Stock Issued During Period, Value, Employee Stock Purchase Plan
Other
Proceeds from (Payment for) Other Financing Activity
Contractual interest expense
Interest Expense, Debt
Other
Business Combination, Consideration Transferred, Tangible and Intangible Assets, Excluding Cash
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock grants expense
Stock Grant [Member]
Stock Grant
Land
Land [Member]
Name
Trading Arrangement, Individual Name
Award Type [Domain]
Award Type [Domain]
Noncontrolling interest
Equity, Attributable to Noncontrolling Interest
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Other
Other Noncash Income (Expense)
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Long-term purchase commitment, amount
Long-Term Purchase Commitment, Amount
Right-of-use assets obtained in exchange for lease liabilities, business acquisitions
Business Combination, Recognized Liability Assumed, Lease Obligation
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Compensation Amount
Outstanding Recovery Compensation Amount
Debt instrument, face amount
Debt Instrument, Face Amount
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Actuarial gain (loss) on retirement plan, tax effect
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Statement of Comprehensive Income [Abstract]
Aircraft
Air Transportation Equipment [Member]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Contract with customer, liability, revenue recognized
Contract with Customer, Liability, Revenue Recognized
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Accruals and Other Current Liabilities
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Unvested, beginning balance (USD per share)
Unvested, ending balance (USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Headcount‑related costs
Headcount-Related Costs
Headcount-Related Costs
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Purchase commitment
Long Term Purchase Commitment, Remaining Amount Committed
Long Term Purchase Commitment, Remaining Amount Committed
ESPP
Employee Stock [Member]
Termination period (less than)
Lessee, Operating Lease, Termination Period
Lessee, Operating Lease, Termination Period
Less: Other comprehensive income (loss) attributable to noncontrolling interest
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Revenues:
Revenues [Abstract]
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Deferred compensation arrangement with individual, shares issued (in shares)
Deferred Compensation Arrangement with Individual, Shares Issued
Selling and marketing
Selling and Marketing Expense
Long-term Purchase Commitment [Line Items]
Long-Term Purchase Commitment [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Term Licenses
Term Licenses [Member]
Term Licenses
Segments [Domain]
Segments [Domain]
Income Statement Location [Axis]
Statement of Income Location, Balance [Axis]
Europe, the Middle East, and Africa (“EMEA”)
EMEA
EMEA [Member]
Remaining borrowing capacity
Line of Credit Facility, Remaining Borrowing Capacity
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Operating lease liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Operating Lease, Liability, Noncurrent
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Operating Lease, Liability, Noncurrent
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Julien Moutte [Member]
Julien Moutte
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Minimum
Minimum [Member]
Cloud Services Subscription deposits
Increase (Decrease) in Deposits Outstanding
Cost of revenues:
Cost of Revenue [Abstract]
Company Selected Measure Name
Company Selected Measure Name
Deferred compensation plan elective participant deferrals
Adjustments to Additional Paid in Capital, Deferred Compensation Plan Voluntary Contributions
Adjustments to Additional Paid in Capital, Deferred Compensation Plan Voluntary Contributions
Gain (loss) on sale of investments
Gain (Loss) on Sale of Investments
Schedule of Finite-lived Intangible Assets Amortization Expense
Finite-Lived Intangible Assets Amortization Expense [Table Text Block]
Preferred stock, $0.01 par value, authorized 100,000,000 shares; none issued or outstanding as of September 30, 2025 and December 31, 2024
Preferred Stock, Value, Issued
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Accounts payable
Accounts Payable, Current
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Cash paid for operating leases included in operating cash flows
Operating Lease, Payments
Proceeds from stock purchases under employee stock purchase plan
Proceeds from Stock Plans
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Other comprehensive (loss) income, before taxes
Other Comprehensive Income (Loss), before Tax
Total liabilities assumed
Business Combination, Recognized Liability Assumed, Liability
Diluted net income attributable to Bentley Systems stockholders
Net Income (Loss) Available to Common Stockholders, Diluted
All Executive Categories
All Executive Categories [Member]
Repayments of senior debt
Repayments of Senior Debt
Common stock
Common Stock, Value, Issued
Less: Net income attributable to Bentley Systems allocated to participating securities
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic
Segment reporting other segment item amount, net income measure
Segment Reporting, Other Segment Item, Amount, Net Income Measure
Segment Reporting, Other Segment Item, Amount, Net Income Measure
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Revolving loan facility due October 2029
2029 Credit Facility [Member]
2029 Credit Facility
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Share-based Payment Arrangement, Tranche Two
Share-Based Payment Arrangement, Tranche Two [Member]
Title and Position [Axis]
Title and Position [Axis]
Diluted (in shares)
Diluted weighted average shares (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Commitments and contingencies (Note 18)
Commitments and Contingencies
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Cash acquired
Cash Acquired from Acquisition
Derivative [Table]
Derivative [Table]
Finite-lived intangibles
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived
Accounts receivable and other current assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Receivables And Other Current Assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Receivables And Other Current Assets
Business Combination [Axis]
Business Combination [Axis]
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Entity Small Business
Entity Small Business
Selling and marketing
Selling and Marketing Expense [Member]
Time-Based Restricted Stock Units (RSUs)
Time-Based Restricted Stock Units (RSUs) [Member]
Time-Based Restricted Stock Units (RSUs)
Income Tax Disclosure [Abstract]
Non-Controlling Interest
Noncontrolling Interest [Member]
Preferred stock shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Long-Term Debt
Long-Term Debt [Text Block]
Document Transition Report
Document Transition Report
Other assets
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent
Recurring
Professional Services, Recurring [Member]
Professional Services, Recurring
Recent Accounting Pronouncements
Accounting Standards Update and Change in Accounting Principle [Text Block]
Underlying Securities
Award Underlying Securities Amount
Equity Component [Domain]
Equity Component [Domain]
Document Period End Date
Document Period End Date
Schedule of Long-lived Assets by Geographic Areas
Long-Lived Assets by Geographic Areas [Table Text Block]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Payments for shares acquired including shares withheld for taxes
Payments For Repurchase Of Common Stock, Including Shares Withheld For Taxes
Payments For Repurchase Of Common Stock, Including Shares Withheld For Taxes
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Income Taxes
Income Tax Disclosure [Text Block]
Class A Common Stock
Common Class A [Member]
Payments of contingent and non-contingent consideration
Payment for Contingent Consideration Liability, Financing Activities
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Revenue from Contract with Customer [Abstract]
Schedule of Reconciliation of Operating Income to AOI Less SBC
Reconciliation Of Operating Profit Loss From Segments To Adjusted Operating Income Less Stock Based Compensation [Table Text Block]
Reconciliation Of Operating Profit Loss From Segments To Adjusted Operating Income Less Stock Based Compensation
Deferred income taxes
Business Combination, Recognized Liability Assumed, Deferred Tax Liability
Other Income (Expense), Net
Other Nonoperating Income and Expense [Text Block]
Total equity
Beginning balance
Ending balance
Equity, Including Portion Attributable to Noncontrolling Interest
Deferred Bonus
Deferred Bonus [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]
Document Type
Document Type
Net Income Per Share Attributable to Bentley Systems Stockholders
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
Actuarial gain (loss) on retirement plan, net of tax effect of $(8), $0, $(24), and $(28), respectively
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Additional paid-in capital
Additional Paid in Capital
Product and Service [Axis]
Product and Service [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Variable lease cost
Variable Lease, Cost
Total revenues
Total revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Performance Based Restricted Stock Units (RSUs)
Performance Based Restricted Stock Units (RSUs) [Member]
Performance Based Restricted Stock Units (RSUs) [Member]
Time-Based Restricted Stock and Restricted Stock Units (RSUs)
Time-Based Restricted Stock And Restricted Stock Units (RSUs) [Member]
Time-Based Restricted Stock And Restricted Stock Units (RSUs)
All Individuals
All Individuals [Member]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Fair Value Disclosures [Abstract]
Purchases of property and equipment and investment in capitalized software
Payments to Acquire Property, Plant, and Equipment
Name
Forgone Recovery, Individual Name
Change in fair value of derivative
Unrealized Gain (Loss) on Derivatives
Total current assets
Assets, Current
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Stock repurchase program, authorized amount
Share Repurchase Program, Authorized, Amount
Internal-Use Software
Internal-Use Software [Member]
Internal-Use Software
Proceeds from exercise of stock options
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Foreign currency translation adjustments
Goodwill, Foreign Currency Translation, Gain (Loss)
Computer equipment and software
Computer Equipment And Software [Member]
Computer Equipment And Software
Stock options exercised, intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Share-based compensation tax withholding payment
Payment, Tax Withholding, Share-Based Payment Arrangement
Subscriptions and licenses
Subscriptions and licenses
Subscriptions And Licenses [Member]
Subscriptions And Licenses
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Basic net income attributable to Bentley Systems stockholders
Net Income (Loss) Available to Common Stockholders, Basic
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Intangible Asset, Finite-Lived [Table]
Current liabilities:
Liabilities, Current [Abstract]
Geographical [Axis]
Geographical [Axis]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Total operating expenses
Operating Expenses
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Level 1
Fair Value, Inputs, Level 1 [Member]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Foreign currency remeasurement loss (gain)
Gain (Loss), Foreign Currency Transaction, before Tax
Deferred compensation plan elective participant deferrals
Voluntary Deferred Compensation Plan Contributions During Period
Voluntary Deferred Compensation Plan Contributions During Period
Asia-Pacific (“APAC”)
APAC
Asia Pacific [Member]
Diluted (USD per share)
Earnings Per Share, Diluted
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Portfolio Balancing
Portfolio Balancing Exchange Rights [Member]
Portfolio Balancing Exchange Rights
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Title of 12(b) Security
Title of 12(b) Security
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Bonus Plan Incentive
Bonus Plan Incentive [Member]
Bonus Plan Incentive
Compensation Related Costs [Abstract]
Cash-settled equity awards
Accrued Equity Based Compensation, Fair Value Disclosure
Accrued Equity Based Compensation, Fair Value Disclosure
Net income per share attributable to Bentley Systems stockholders:
Earnings Per Share [Abstract]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Non-compete agreements
Noncompete Agreements [Member]
Payments to acquire cost method investments
Payments To Acquire Cost Method Investments
Payments To Acquire Cost Method Investments
Investments
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Gross profit
Gross Profit
Schedule of Interest Expense, Net
Interest Income and Interest Expense Disclosure [Table Text Block]
Repurchases of Class B common stock under approved program
Stock Repurchased and Retired During Period, Value
Unbilled Revenues
Unbilled Revenues [Member]
Deferred revenues
Increase (Decrease) in Contract with Customer, Liability
Actuarial (Loss) Gain on Retirement Plan
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Noncontrolling Interest [Member]
Convertible senior notes due January 2026 (the “2026 Notes”)
Senior Notes Due January 2026 [Member]
Senior Notes Due January 2026
Award Timing Disclosures [Line Items]
Long-term debt, gross
Long-Term Debt, Gross
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Cash-Settled Restricted Stock Units (RSUs)
Cash-Settled Restricted Stock Units (RSUs) [Member]
Cash-Settled Restricted Stock Units (RSUs)
Property and Equipment, Net
Property, Plant and Equipment Disclosure [Text Block]
Renewal term
Lessee, Operating Lease, Renewal Term
Property and equipment, net
Total property and equipment, net
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Common Stock
Equity [Text Block]
Realignment expenses
Realignment Expenses
Realignment Expenses
Shares reserved for issuance (in shares)
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance
Net income attributable to Bentley Systems
Net income attributable to Bentley Systems
Net Income (Loss) Attributable to Parent
Expiration Date
Trading Arrangement Expiration Date
Other accrued and current liabilities
Other Accrued Liabilities, Current
Award vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Cloud Services Subscription deposits
Deposit Liability, Current
Preferred stock shares authorized (in shares)
Preferred Stock, Shares Authorized
Net income per share attributable to Bentley Systems stockholders:
Net Income (Loss) Attributable to Parent [Abstract]
Repurchases of Class B common stock under approved program
Payments for Repurchase of Common Stock
Adoption Date
Trading Arrangement Adoption Date
Reclassifications
Reclassification, Comparability Adjustment [Policy Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Contract cost assets
Contract with Customer, Asset, after Allowance for Credit Loss
Entity Current Reporting Status
Entity Current Reporting Status
Derivative [Line Items]
Derivative [Line Items]
Customer [Axis]
Customer [Axis]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Cumulative shares vested at end of period (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested, Number
Customer relationships
Customer Relationships [Member]
Income from operations
Operating income
Operating Income (Loss)
Line of Credit
Line of Credit [Member]
Cash used to settle award
Share-Based Payment Arrangement, Cash Used to Settle Award
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]
Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]
Deferred compensation plan, current
Deferred Compensation Liability, Fair Value Disclosure, Current
Deferred Compensation Liability, Fair Value Disclosure, Current
Schedule of Stock-Based Compensation Expense
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
Shares related to restricted stock, net (in shares)
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings
Foreign Currency Translation
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]
Statement of Financial Position [Abstract]
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Executive Category:
Executive Category [Axis]
Shares issued for stock grants, net (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Current Fiscal Year End Date
Current Fiscal Year End Date
Class of Stock [Axis]
Class of Stock [Axis]
Intangible assets subject to amortization:
Finite-Lived Intangible Assets, Net [Abstract]
Accruals and other current liabilities
Business Combination, Recognized Liability Assumed, Other Liability, Current
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
2027 Notes
Two Thousand Twenty Seven Notes [Member]
Two Thousand Twenty Seven Notes
Payables and Accruals [Abstract]
Weighted Average Grant Date Fair Value Per Share
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Number of shares available (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Other income (expense), net
Total other income (expense), net
Other Nonoperating Income (Expense)
Statement [Table]
Statement [Table]
Schedule of Business Acquisitions Aggregate Details
Business Combination [Table Text Block]
Deferred compensation plan
Increase (Decrease) in Deferred Compensation
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Cash flows from financing activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
2026 Notes
Two Thousand Twenty Six Notes [Member]
Two Thousand Twenty Six Notes
Revenue Benchmark
Revenue Benchmark [Member]
Net assets acquired
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill
Contract with customer, liability
Contract with Customer, Liability
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Shares issued in connection with deferred compensation plan, net (in shares)
Stock Issued During Period, Shares, Deferred Compensation Plan
Stock Issued During Period, Shares, Deferred Compensation Plan
Net identifiable assets acquired excluding goodwill
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)
Anti-dilutive securities (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted average shares:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Operating lease payments, leases not yet commenced
Unrecorded Unconditional Purchase Obligation
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Amendment Flag
Amendment Flag
Shares authorized (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Leases
Lessee, Operating Leases [Text Block]
Termination Date
Trading Arrangement Termination Date
Net cash used in financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Measure:
Measure [Axis]
Common stock, reserved for future issuance amount
Common Stock, Capital Shares Reserved For Future Issuance Amount
Common Stock, Capital Shares Reserved For Future Issuance Amount
Share-based Payment Arrangement, Tranche Three
Share-Based Payment Arrangement, Tranche Three [Member]
Operating lease, weighted average discount rate, percent
Operating Lease, Weighted Average Discount Rate, Percent
Channel Partners
Channel Partners [Member]
Channel Partners
Long-Lived Tangible Asset [Domain]
Long-Lived Tangible Asset [Domain]
Basic (in shares)
Basic weighted average shares (in shares)
Weighted Average Number of Shares Outstanding, Basic
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Actuarial (Loss) Gain on Retirement Plan
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Schedule of Net Income Per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Receivables Billing Status [Domain]
Receivables Billing Status [Domain]
Other
Professional Services, Other [Member]
Professional Services, Other
Number of acquisitions
Business Combination, Number of Businesses Acquired
Segment Reporting [Abstract]
Total cost of revenues
Cost of Revenue
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Debt Disclosure [Abstract]
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Amortization of deferred debt issuance costs
Amortization of deferred debt issuance costs
Amortization of Debt Issuance Costs
Entity Tax Identification Number
Entity Tax Identification Number
Other adjustments
Goodwill, Other Increase (Decrease)
Unamortized debt issuance costs
Debt Instrument, Unamortized Discount
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock par value (USD per share)
Common Stock, Par or Stated Value Per Share
Common stock shares issued (in shares)
Common Stock, Shares, Issued
Operating lease, weighted average remaining lease term
Operating Lease, Weighted Average Remaining Lease Term
Other income (expense), net
Other Miscellaneous Nonoperating Income (Expense), Other
Other Miscellaneous Nonoperating Income (Expense)
Goodwill and Other Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Enterprise subscriptions
Enterprise License Subscriptions [Member]
Enterprise License Subscriptions
Payments of dividends
Payments of Dividends
Schedule of Changes in the Carrying Amount of Goodwill
Schedule of Goodwill [Table Text Block]
Trading Arrangement:
Trading Arrangement [Axis]
Income taxes payable, net of prepaid income taxes
Increase (Decrease) in Income Taxes Payable
Total Shareholder Return Amount
Total Shareholder Return Amount
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Insider Trading Arrangements [Line Items]
Security Exchange Name
Security Exchange Name
Total liabilities
Liabilities
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Business Combination, Separately Recognized Transaction [Line Items]
Business Combination, Separately Recognized Transaction [Line Items]
Capitalized computer software
Capitalized Computer Software, Net
Assets acquired and liabilities assumed:
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill [Abstract]
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Repurchase of Class B common stock under approved program (in shares)
Stock Repurchased During Period, Shares
Operating expenses:
Operating Expenses [Abstract]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Phantom shares issuable (in shares)
Dividends, Common Stock, Stock, Issuable
Dividends, Common Stock, Stock, Issuable
Stock repurchase program, expiration date
Share Repurchase Program, Expiration Date
Hosted Software Solutions
Hosted Software Solutions [Member]
Hosted Software Solutions
Shares issued for stock grants, net
Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture
Worldsensing
Worldsensing [Member]
Worldsensing
Statement [Line Items]
Statement [Line Items]
Extinguishment of debt
Extinguishment of Debt, Amount
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Deferred compensation plan liabilities
Deferred Compensation Liability, Fair Value Disclosure
Deferred Compensation Liability, Fair Value Disclosure
Cash and cash equivalents
Cash and Cash Equivalent
Shares related to restricted stock, net
Restricted Stock, Value, Shares Issued Net of Tax Withholdings
Counterparty Name [Axis]
Counterparty Name [Axis]
Americas
United States, Canada, And Latin America [Member]
United States, Canada, And Latin America
Common Stock
Common Stock [Member]
Vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits [Member]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]
Performance period
Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period
Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period
Increase in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation