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Disclosure - Other Income (Expense), Net link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Net Income Per Share Attributable to Bentley Systems Stockholders link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - 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Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Other Income (Expense), Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Net Income Per Share Attributable to Bentley Systems Stockholders (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue from Contracts with Customers - Schedule of Revenue Disaggregation by Type (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Revenue from Contracts with Customers - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Revenue from Contracts with Customers - Schedule of Revenue Disaggregation by Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Revenue from Contracts with Customers - Unbilled Accounts Receivable Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Revenue from Contracts with Customers - Contract Balances Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Revenue from Contracts with Customers - Remaining Performance Obligations Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Revenue from Contracts with Customers - Remaining Performance Obligations Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Acquisitions - Schedule of Business Acquisitions Aggregate Details (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - 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Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Leases - Schedule of Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Leases - Schedule of Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Accruals and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Long‑Term Debt - Schedule of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Long‑Term Debt - Schedule of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Long‑Term Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - 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Disclosure - Stock-Based Compensation - Stock Grants Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income Taxes - Schedule of Components of Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Fair Value of Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Fair Value of Financial Instruments - Schedule of Fair Value of Financial Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Segment and Geographic Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Segment and Geographic Information - Schedule of Reconciliation of Operating Income to AOI Less SBC (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Segment and Geographic Information - Schedule of Long-lived Assets by Geographic Areas (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Other Income (Expense), Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Net Income Per Share Attributable to Bentley Systems Stockholders - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Net Income Per Share Attributable to Bentley Systems Stockholders - Schedule of Basic and Diluted Net Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink