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information Supplemental Cash Flow Information [Abstract] Reimbursable employee expenses Other Employee-related Liabilities 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Repurchase of common stock (in shares) Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Geographical Geographical [Axis] Leasehold improvements Leasehold Improvements [Member] Total contract liabilities Contract with Customer, Liability Total investments Cash, Cash Equivalents, and Short-Term Investments Cash paid for income taxes Income Tax Paid, before Refund Received Long-Lived Asset, Class Long-Lived Asset, Class [Axis] Subscriptions Subscriptions, Software, And Support Member Concentration of Credit and Customer Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] 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Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Disposal of property plant and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Disposition Total Lease, Cost Misappropriation of Trade Secrets Misappropriation Of Trade Secrets [Member] Misappropriation Of Trade Secrets Customer Customer [Domain] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type Long-Term Debt, Type [Domain] Basic (in usd per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Repurchases of common stock Payments for Repurchase of Common Stock Deferred revenue Deferred revenue, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt Long-term debt Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance of $3,416 and $3,362, respectively Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Products and Services Product and Service [Axis] Common stock shares issued not disclosed Common Stock Shares Issued Not Disclosed Common Stock Shares Issued Not Disclosed 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] International Non-US [Member] Concentration risk percentage Concentration Risk, Percentage Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Allowance for Expected Credit Losses Receivable [Policy Text Block] Foreign currency translation adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and stockholders’ deficit Liabilities and Equity Variable lease cost Variable Lease, Cost Stock options Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Gain contingency, damages awarded, interest, percentage (percent) Gain Contingency, Damages Awarded, Interest, Percentage Gain Contingency, Damages Awarded, Interest, Percentage Other expense (income), net Other Nonoperating Income (Expense) Statutory Post Judgement Interest on Judgmental Statutory Post Judgement Interest On Judgmental [Member] Statutory Post Judgement Interest On Judgmental 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three 2026 (excluding the six months ended June 30, 2026) Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Stockholders’ deficit Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Purchases of investments Payments to Acquire Investments 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] Cloud subscriptions Cloud Subscriptions [Member] Cloud Subscriptions General and administrative General and Administrative Expense Long-Lived Asset, Class Long-Lived Asset, Class [Domain] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Credit Facility Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Litigation, judgment preservation insurance expense Litigation, Judgment Preservation Insurance Expense Litigation, Judgment Preservation Insurance Expense Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Equipment Equipment [Member] Short-term investments and marketable securities Short-Term Investments Name Trading Arrangement, Individual Name Pegasystems Litigation Pegasystems Litigation [Member] Pegasystems Litigation Cash and cash equivalents Cash and Cash Equivalent Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Hosting costs and license fees Accrued Hosting Costs And License Fees, Current Accrued Hosting Costs And License Fees, Current Investments, Debt and Equity Securities [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] SOFR Secured Overnight Financing Rate (SOFR) [Member] Net unrecognized tax benefits which would impact effective tax rate if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Current assets Assets, Current [Abstract] Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Schedule of Supplemental Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Disclosure of information about the operating lease, including right-of-use asset and the related lease liability. Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease liabilities arising from obtaining right-of-use assets Non-cash operating lease liabilities arising from obtaining right-of-use assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense Income Tax Expense (Benefit) Deferred commissions, current Deferred Commissions Current Deferred Commissions Current Customer Concentration Risk Customer Concentration Risk [Member] Total cost of revenue Cost of Product and Service Sold Purchase obligation Purchase Obligation Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Total investments, Fair Value Cash And Cash Equivalents And Short-Term Investments, Fair Value Disclosure Cash And Cash Equivalents And Short-Term Investments, Fair Value Disclosure Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Long-term Debt, Type Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of common stock options Proceeds from Stock Options Exercised Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Investment income, interest Investment Income, Interest Lease Costs Lessee, Leases [Policy Text Block] Schedule of Contract Asset and Contract Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Foreign currency transaction losses (gains), net Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Revenue Revenues [Abstract] Litigation damages sought Loss Contingency, Damages Sought, Value Income Taxes [Line Items] Income Taxes [Line Items] Income taxes. Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]