Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Share-Based Payment Arrangement, LivePerson Employee Share-Based Payment Arrangement, LivePerson Employee [Member] Share-Based Payment Arrangement, LivePerson Employee Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Net loss attributable to common shareholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Thereafter Intangible Asset, Finite-Lived, Estimated Amortization Expense After Year Four Intangible Asset, Finite-Lived, Estimated Amortization Expense After Year Four Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Common stock issued upon conversion of shares (in shares) Conversion of Stock, Shares Issued Segment Reporting [Abstract] Schedule of Future Amortization Expense Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Payments to settle a portion of contingent consideration Payment for Contingent Consideration Liability, Investing Activities Accrued compensation expenses Employee-related Liabilities, Current Trademark Trademarks [Member] Estimated and recorded liability Loss Contingency Accrual Decrease in other current liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments, Current Liabilities, Other Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments, Current Liabilities, Other Conversion ratio Debt Instrument, Convertible, Conversion Price Product royalties Product Royalties [Member] Product Royalties Customer A Customer A [Member] Customer A Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Warrants [Table] Class of Warrant or Right [Table] Developed technology Developed Technology Rights [Member] Investment allocation Investment Agreement, Investment Allocation Investment Agreement, Investment Allocation James M. Hom Trading Arrangement, Class A Common Stock Upon Vesting And Settlement Of RSUs - May 2025 [Member] James M. 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Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense Michael Zagorsek [Member] Michael Zagorsek Principal repurchase requirement (in percent) Business Combination, Consideration Transferred, Liabilities Incurred, Principal Repurchase Requirement, Percent Business Combination, Consideration Transferred, Liabilities Incurred, Principal Repurchase Requirement, Percent Total identified assets acquired Business Combination, Recognized Asset Acquired, Asset James M. Hom May 2025 Trading Arrangement [Member] James M. 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Hom Class B Common Stock Trading Arrangement - May 2025 [Member] James M. 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