Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Addition (Acqueon) Goodwill, Acquired During Period Statistical Measurement [Domain] Statistical Measurement [Domain] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Contract assets (included in prepaid expenses and other current assets) Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Schedule of Lease Expenses and Terms Lease, Cost [Table Text Block] Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Cover page. 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Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Market-Based PRSUs Market-Based PRSUs [Member] Market-Based PRSUs Debt Instrument, Convertible, Term [Domain] Debt Instrument, Convertible, Term [Domain] [Domain] for Debt Instrument, Convertible, Term [Axis] 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] Principal Debt balance Long-Term Debt, Gross Exercise Price Award Exercise Price Net Loss Per Share Earnings Per Share [Text Block] Arrangement Duration Trading Arrangement Duration Leases Lessee, Finance Leases [Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Net Carrying Amount of Notes and Impact to Additional Paid-in Capital Convertible Debt [Table Text Block] Stockholders’ equity: Equity, Attributable to Parent [Abstract] RSUs granted, weighted average grant date fair value (in 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 Due after one year through two years Marketable Securities Due Year Two, Fair Value Marketable Securities Due Year Two, Fair Value Schedule of Common Stock Reserved for Future Issuance Summary of Common Stock Reserved for Future Issuance [Table Text Block] Summary of Common Stock Reserved for Future Issuance [Table Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Unbilled trade accounts receivable, net of advance client deposits Unbilled Revenues [Member] Accounts payable Increase (Decrease) in Accounts Payable, Trade Total finance lease liabilities Total Finance Lease, Liability 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] Term of the performance period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Term of Performance Period Share-based Compensation Arrangement by Share-based Payment Award, Term of Performance Period Payment of holdback related to an acquisition Payment of Holdback Related to Acquisitions Payment of Holdback Related to Acquisitions PEO PEO [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Billing Status, Type [Axis] Billing Status, Type [Axis] Name Trading Arrangement, Individual Name Interest income and other Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Hosting and telecommunications agreement Hosting and Telecommunications Agreement [Member] Hosting and Telecommunications Agreement [Member] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Other assets Increase (Decrease) in Other Noncurrent Assets Proceeds from exercise of common stock options Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Capitalization of software development costs Payments to Develop Software Business Acquisition [Axis] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other Commitments [Domain] Other Commitments [Domain] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Total shares of common stock reserved (in shares) Common Stock, Capital Shares Reserved for Future Issuance 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] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Total operating expenses Operating Expenses Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Schedule of RSU Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table 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Stock Common Stock [Member] Measure: Measure [Axis] Stockholders' Equity Capital Structure [Line Items] Stockholders' Equity Capital Structure [Line Items] Stockholders' Equity Capital Structure Issuance of common stock upon vesting of restricted stock units Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Closing market price of common stock (in USD per share) Closing price of common stock as of grant date (in USD per share) Share Price Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options and Warrants Exercised Stock Issued During Period, Value, Stock Options and Warrants Exercised Preferred stock shares authorized (up to) (in shares) Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Other assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other 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the Condensed Consolidated Balance Sheets Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Contract acquisition costs Contract Acquisition Costs [Member] Contract Acquisition Costs Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Interest on finance lease obligations Accretion Expense Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Purchase Commitment - Cloud Services Agreement Purchase Commitment - Cloud Services Agreement [Member] Purchase Commitment - Cloud Services Agreement Total deferred contract acquisition costs, net Capitalized Contract Cost, Net Title Trading Arrangement, Individual Title Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Additional reduction 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Expense Related to the Notes Interest Income and Interest Expense Disclosure [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Closing price of common stock (in USD per share) Closing Price of Common Stock Closing Price of Common Stock Period for various agreements (in months) Other Commitment, Future Minimum Payments Due, Period Other Commitment, Future Minimum Payments Due, Period Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Commercial commitment to be paid in year 2026 Commercial Commitment, to be Paid, Year Two Commercial Commitment, to be Paid, Year Two Receivables Receivable [Policy Text Block] Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 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] Other Commitments [Axis] Other Commitments [Axis] Equity investment in a privately-held company Equity Securities without Readily Determinable Fair Value, Amount Remaining performance obligation expected to be recognized (as a percent) Revenue, Remaining Performance Obligation, Percentage Income Taxes Income Tax Disclosure [Text Block] Description of Business and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Net loss per share: Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Schedule of Balance Sheet Information Related to Leases Schedule of Balance Sheet Information Related to Leases [Table Text Block] Schedule Of Balance Sheet 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Tangible Assets Acquired Unamortized issuance costs Debt Issuance Costs, Gross General and administrative General and Administrative Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Operating leases (in percent) Operating Lease, Weighted Average Discount Rate, Percent Total operating lease liabilities Total Operating Lease, Liability Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Amendment Flag Amendment Flag Fair value of long-term debt Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Cash paid to acquire Aceyus, Inc. Cash paid to acquire Aceyus, Inc. Payments to Acquire Businesses, Gross Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation, Depletion and Amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Gross profit Gross Profit Convertible senior notes Convertible Debt, Current Fair Value as of Grant Date Award Grant Date Fair Value Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Customer Concentration Risk Customer Concentration Risk [Member] Assets and liabilities measured at fair value on nonrecurring basis Fair Value, Net Asset (Liability) Convertible, Term One Debt Instrument, Convertible, Term One [Member] Debt Instrument, Convertible, Term One [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Customer relationships Customer-Related Intangible Assets [Member] Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate principal amount of debt Debt Instrument, Face Amount Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Convertible debt Convertible Debt Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Issuance of common stock under ESPP Stock Issued During Period, Value, Employee Stock Ownership Plan Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Number of quarterly installments Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments Accrued and other current liabilities Increase (Decrease) in Other Current Liabilities Certificates of deposit Certificates of deposit Certificates of Deposit [Member] 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] Number of trading days (in days) Debt Instrument, Convertible, Threshold Trading Days RSUs forfeited or cancelled, weighted average grant date fair value (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Gain on early extinguishment of debt Gain on early extinguishment of debt Gain (Loss) on Extinguishment of Debt Convertible senior notes - less current portion Convertible Debt, Noncurrent 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] Concentration Risk [Line Items] Concentration Risk [Line Items] Acquisition and related transaction costs accrued at period-end Noncash Or Part Noncash Acquisition Transaction Costs Accrued Noncash Or Part Noncash Acquisition Transaction Costs Accrued Relative total shareholder return ranking (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Percent Of Relative Total Shareholder Return Ranking Share-based Compensation Arrangement by Share-based Payment Award, Percent Of Relative Total Shareholder Return Ranking Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Shares available for future issuance under ESPP ESPP Employee Stock [Member] Basic (in USD per share) Basic net loss per share (in USD per share) Earnings Per Share, Basic Receivables Billing Status [Domain] Receivables Billing Status [Domain] Proceeds from sale of common stock under ESPP Proceeds from Stock Plans Operating cash used in operating leases Operating Lease, Payments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property and equipment, net Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Trademarks Trademarks [Member] Payment of finance lease liabilities Financing cash used in finance leases Finance Lease, Principal Payments Property and equipment unpaid at period-end Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Total current liabilities Liabilities, Current 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] Tax benefit of valuation allowance associated with an acquisition Tax Asset (Liability) of Valuation Allowance Associated with Acquisition Tax Asset (Liability) of Valuation Allowance Associated with Acquisition Total assets Assets 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One RSUs granted (in shares) Equity instruments granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Schedule of Intangible Assets Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Acquired workforce Employment Contracts [Member] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Other long-term liabilities Other long-term liabilities Other Liabilities, Noncurrent Payments for capped call transactions associated with the 2029 convertible senior notes Payments For Capped Call Transactions, Financing Activities Payments For Capped Call Transactions, Financing Activities Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Revenue, Remaining Performance Obligation, Expected Timing of 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of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Number of performance periods Share-based Compensation Arrangement by Share-based Payment Award, Number of Performance Periods Share-based Compensation Arrangement by Share-based Payment Award, Number of Performance Periods Total stock-based compensation expense Share-Based Payment Arrangement, Expense Net loss Net loss Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Schedule of Assets Carried at Fair Value Fair Value, by Balance Sheet Grouping [Table Text Block] Issuance of common stock upon partial conversion of the 2023 convertible senior notes Stock Issued During Period, Value, Conversion of Convertible Securities Other Commitments [Table] Other Commitments [Table] Options granted, weighted average exercise price (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill RSUs forfeited or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Business Acquisition [Axis] Business Acquisition [Axis] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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] Issuance of common stock upon exercise of stock options (in shares) Stock Issued During Period, Shares, Stock Options and Warrants Exercised Stock Issued During Period, Shares, Stock Options and Warrants Exercised Entity File Number Entity File Number Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Extinguishment of debt, amount Extinguishment of Debt, Amount Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Operating lease, term of contract (in months) Lessee, Operating Lease, Term of Contract Name Forgone Recovery, Individual Name Remaining 2024 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Operating leases (in years) Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Finance lease liabilities Finance lease liabilities Finance Lease, Liability, Current Other Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Financial Statement Components Supplemental Balance Sheet Disclosures [Text Block] Equipment finance lease agreements Lessee, Finance Lease, Term of Contract Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Finite-Lived Intangible Asset, Expected Amortization, after Year Four 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Equity Instrument, Condition [Axis] Equity Instrument, Condition [Axis] Equity Instrument, Condition PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Commercial commitment to be paid remainder of 2024 Commercial Commitment, to be Paid, Remainder of the Year Commercial Commitment, to be Paid, Remainder of the Year Cost of revenue Cost of Revenue Contract revenue recognized Contract with Customer, Liability, Revenue Recognized Adjustment to Compensation: Adjustment to Compensation [Axis] Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Accounts Receivable Accounts 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(in shares) Weighted-average shares used in computing basic net loss per share (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred contract acquisition costs, net: Capitalized Contract Cost, Net, Classified [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest RSUs (including PRSUs) RSU (excluding PRSUs) Restricted Stock Units (RSUs) [Member] Amortization of discount and issuance costs on convertible senior notes Amortization of Debt Issuance Costs and Discounts Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Other long-term liabilities Other Long-term Liabilities Other Long-term Liabilities Gross Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Entity Filer Category Entity Filer Category Restructuring reserve Restructuring Reserve Schedule of Accrued and Other Current Liabilities Other Current Liabilities [Table Text Block] Beginning balance (in shares) Ending balance (in shares) Shares, Issued Performance obligation Revenue, Remaining Performance Obligation, Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Purchases of marketable investments Payments to Acquire Debt Securities, Available-for-Sale Company Selected Measure Name Company Selected Measure Name Private Placement Private Placement [Member]