Business Acquisition [Axis] Business Acquisition [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase in maximum borrowing capacity Line of Credit Facility, Increase In Maximum Borrowing Capacity Line of Credit Facility, Increase In Maximum Borrowing Capacity Total lease payments (undiscounted) Lessee, Operating Lease, Liability, to be Paid Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Long-term debt, gross Term Loan B Facility Long-Term Debt, Gross Financial Standby Letter of Credit Financial Standby Letter of Credit [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Debt Instrument [Axis] Debt Instrument [Axis] 2026 Amortization Of Debt Issuance Costs, Year Four Amortization Of Debt Issuance Costs, Year Four Increase (decrease) in provision for expected credit losses Accounts Receivable, Credit Loss Expense (Reversal), Gross Accounts Receivable, Credit Loss Expense (Reversal), Gross Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Prepaid and other assets, current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Gross basis Gross Revenue [Member] Gross Revenue Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Gross Nth Party, Ltd. Nth Party, Ltd. [Member] Nth Party, Ltd. Additional paid-in capital Additional Paid in Capital Variable interest rate Debt Instrument, Basis Spread on Variable Rate Statistical Measurement [Domain] Statistical Measurement [Domain] Exercise of common stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Interest rate Debt Instrument, Interest Rate, Stated Percentage Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Purchase Consideration Schedule of Business Acquisitions, by Acquisition [Table Text Block] Issuance of common stock associated with the SpotX Acquisition (in shares) Stock Issued During Period, Shares, Acquisitions Repayment of debt Repayments of Debt RSAs and RSUs Restricted Stock Units And Restricted Stock Awards [Member] Restricted Stock Units And Restricted Stock Awards [Member] Cash paid for income taxes Income Taxes Paid Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Total shares excluded from net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of projects Number Of Projects Number Of Projects Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Fiscal Year Lessee, Operating Lease, Liability, to be Paid [Abstract] Purchase consideration - indemnification claims holdback Indemnification claims - holdback Business Combination, Consideration Transferred, Indemnification Claims Holdback Business Combination, Consideration Transferred, Indemnification Claims Holdback Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Secured Debt Secured Debt [Member] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Award vesting rights, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Investment, Name [Domain] Investment, Name [Domain] Lease Obligations Lessee, Operating Leases [Text Block] Operating lease not yet commenced, term of contract Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Merger, acquisition, and restructuring costs Merger, Acquisition, And Restructuring Charges [Member] Merger, Acquisition, And Restructuring Charges Capitalized computer software, amortization Capitalized Computer Software, Amortization Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Treasury stock at cost, 0 and 349 shares outstanding at September 30, 2022 and December 31, 2021, respectively Treasury Stock, Common, Value Plan Name [Axis] Plan Name [Axis] Contra seller payable Accounts Payable, Seller Accounts Payable, Seller SUPPLEMENTAL DISCLOSURES OF OTHER CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Plan Name [Domain] Plan Name [Domain] Unrecognized employee stock-based compensation Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Remaining 2022 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Data centers for cloud-based services Data Centers For Cloud-Based Services [Member] Data Centers For Cloud-Based Services [Member] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] ESPP shares Employee Stock Employee Stock [Member] Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax [Abstract] Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Award Type [Axis] Award Type [Axis] Organization and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Lease liabilities, current Operating Lease, Liability, Current Leverage ratio maximum Line of Credit Facility, Covenant Compliance, Leverage Ratio Maximum Line of Credit Facility, Covenant Compliance, Leverage Ratio Maximum Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period In-process research and development In Process Research and Development [Member] Increase (decrease) in contra seller payable Increase (Decrease) in Accounts Payable, Seller Increase (Decrease) in Accounts Payable, Seller 2023 Amortization Of Debt Discount (Premium), Year One Amortization Of Debt Discount (Premium), Year One Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Expenses: Costs and Expenses [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables 2026 Amortization Of Debt Discount (Premium), Year Four Amortization Of Debt Discount (Premium), Year Four Other Commitments [Domain] Other Commitments [Domain] Fixed assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Recoveries of previous write-offs Accounts Receivable, Allowance for Credit Loss, Recovery Legal Entity [Axis] Legal Entity [Axis] Debt, non-current, net of debt issuance costs Total non-current debt Debt, net of debt issuance costs Long-Term Debt, Excluding Current Maturities TOTAL LIABILITIES Liabilities Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Geographical [Axis] Geographical [Axis] INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Technology Technology-Based Intangible Assets [Member] Restructuring costs, impairments Restructuring Impairment Costs Restructuring Impairment Costs Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Document Type Document Type 2024 Amortization Of Debt Discount (Premium), Year Two Amortization Of Debt Discount (Premium), Year Two Weighted- Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Amortization of debt discount and issuance costs Amortization of Debt Issuance Cost and Discount Amortization of Debt Issuance Cost and Discount Restructuring Type [Axis] Restructuring Type [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Restricted stock units outstanding and unvested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Debt Debt Disclosure [Text Block] Debt Instrument Conversion Term [Axis] Debt Instrument Conversion Term [Axis] Debt Instrument Conversion Term Percent of outstanding balance holders able to call debt in the event of default Percentage Of Outstanding Balance Holders Able To Call Debt In The Event Of Default Percentage Of Outstanding Balance Holders Able To Call Debt In The Event Of Default Entity Shell Company Entity Shell Company Thereafter Lessee, Operating Lease, Liability, To Be Paid, Due After Year Four Lessee, Operating Lease, Liability, To Be Paid, Due After Year Four Impairment costs of abandoned technology Non-cash impairments Restructuring Impairments, Settled Without Cash Restructuring Impairments, Settled Without Cash Third-Party Cloud-Managed Services Third-Party Cloud-Managed Services [Member] Third-Party Cloud-Managed Services 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Issued in merger (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Developed technology Developed Technology Rights [Member] 2024 Long-Term Debt, Maturity, Year Three Senior Secured Revolving Credit Facility Senior Secured Revolving Credit Facility [Member] Senior Secured Revolving Credit Facility Offering period Share-based Compensation Arrangement by Share-based Payment Award, Offering Period Share-based Compensation Arrangement by Share-based Payment Award, Offering Period Subsequent Events Subsequent Event [Member] Revenue Benchmark Revenue Benchmark [Member] Document Period End Date Document Period End Date Debt Discount Amortization Of Debt Discounts [Abstract] Amortization Of Debt Discounts Tranche one Share-Based Payment Arrangement, Tranche One [Member] Concentration of Basis of Revenue Recognition Concentration of Basis of Revenue Recognition [Member] Concentration of Basis of Revenue Recognition TOTAL ASSETS Assets Working capital adjustment Business Combination, Consideration Transferred, Working Capital Adjustments Business Combination, Consideration Transferred, Working Capital Adjustments Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Debt Disclosure [Abstract] Debt Disclosure [Abstract] Payment for capped call options Payments For Capped Call Options Payments For Capped Call Options Net loss per share: Earnings Per Share [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Tranche three Share-Based Payment Arrangement, Tranche Three [Member] Unvested performance stock units Performance Shares Units Performance Shares [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Schedule of Accounts Payable and Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Less: Current portion Long-Term Debt, Current Maturities 2023 Contractual Obligation, to be Paid, Year One Exercised (usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Intangible assets acquired Finite-Lived Intangible Assets Acquired Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Term loan fair value Long-Term Debt, Fair Value Accounting Policies [Abstract] Accounting Policies [Abstract] Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Contractual interest expense Interest Expense, Debt Accrued employee-related payables Employee-related Liabilities, Current Variable lease cost Variable Lease, Cost Other Commitments [Axis] Other Commitments [Axis] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest STOCKHOLDERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Income Taxes and Tax Credits Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Net Earnings (Loss) Per Share Earnings Per Share [Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Non-cash stock-based compensation (double-trigger acceleration and severance) Non-cash stock-based compensation Restructuring Reserve And Merger Related Costs, Settled without Cash Restructuring Reserve And Merger Related Costs, Settled without Cash Aggregate annual payments of principle balance (percent) Debt Instrument, Annual Principal Payment, Percentage Debt Instrument, Annual Principal Payment, Percentage Other Balance Sheet Amounts Supplemental Balance Sheet Disclosures [Text Block] Basis Of Revenue Recognition [Domain] Basis Of Revenue Recognition [Domain] Basis Of Revenue Recognition [Domain] Fair value of options vested in period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Award Type [Domain] Award Type [Domain] Unrecognized employee stock-based compensation, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition SpotX and Telaria SpotX and Telaria [Member] SpotX and Telaria Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Restricted cash Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Restricted Cash Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Restricted Cash Performance shares, Granted August 2021 Performance shares, Granted August 2021 [Member] Performance shares, Granted August 2021 Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Cash Consideration Cash Consideration Payments to Acquire Businesses, Gross Entity Registrant Name Entity Registrant Name Beginning balance (in shares) Ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested And Vested But Deferred, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested And Vested But Deferred, Number Make-whole fundamental change period Debt Instrument, Redemption, Make-Whole Fundamental Change Period Debt Instrument, Redemption, Make-Whole Fundamental Change Period Subsequent Events Subsequent Events [Text Block] Restructuring costs, personnel related and non-cash stock-based compensation Restructuring Charges And Merger Related Costs, Settled Without Cash Restructuring Charges And Merger Related Costs, Settled Without Cash Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Customer relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town SpotX and SpringServe SpotX, Inc And ServeMotion, Inc [Member] SpotX, Inc And ServeMotion, Inc Leases [Abstract] Leases [Abstract] Long-term debt, term Long-Term Debt, Term Carbon (AI) Limited and Mode Technologies, Inc. Carbon (AI) Limited and Mode Technologies, Inc. [Member] Carbon (AI) Limited and Mode Technologies, Inc. Capped calls, transaction costs Debt Instruments, Capped Calls, Transaction Costs Debt Instruments, Capped Calls, Transaction Costs Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Net proceeds Proceeds from Debt, Net of Issuance Costs Minimum Minimum [Member] Conversion ratio Debt Instrument, Convertible, Conversion Ratio Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Total Unamortized debt issuance costs Debt Issuance Costs, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Treasury Stock Treasury Stock, Common [Member] Investment, Name [Axis] Investment, Name [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Amortization of deferred financing costs Amortization of Other Deferred Charges Share Price (in USD per share) Share Price Lease liabilities Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation Trading Symbol Trading Symbol Entity File Number Entity File Number Convertible Senior Notes Convertible Debt Securities [Member] Treasury stock, common (in shares) Beginning Balance (in shares) Ending Balance (in shares) Treasury Stock, Common, Shares Accounts payable—trade Accounts Payable, Trade, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Technology and development Research and Development Expense Title of Individual [Axis] Title of Individual [Axis] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Unvested restricted stock units Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cash consideration, elected increase, percent Payments To Acquire Businesses, Gross, Elected Increase, Percentage Payments To Acquire Businesses, Gross, Elected Increase, Percentage Other income Other Operating Income Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Business Combinations Business Combination Disclosure [Text Block] 2025 Amortization Of Debt Issuance Costs, Year Three Amortization Of Debt Issuance Costs, Year Three Options to purchase common stock Equity Option [Member] Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Concentration risk, percentage Concentration Risk, Percentage Subsequent Events [Abstract] Subsequent Events [Abstract] Accrued merger, acquisition, and restructuring costs Accrued restructuring costs at December 31, 2021 Accrued restructuring costs at September 30, 2022 Restructuring Reserve And Business Combination, Acquisition Related Costs Restructuring Reserve And Business Combination, Acquisition Related Costs Pro Forma Net Loss Business Acquisition, Pro Forma Net Income (Loss) Vested but deferred (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Deferred, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested But Deferred, Number Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Income Taxes Income Tax Disclosure [Text Block] Conversion Term (iv) Conversion Term (iv) [Member] Conversion Term (iv) RSUs granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Credit Facility [Domain] Credit Facility [Domain] Amortization expense of intangible assets Amortization of Intangible Assets Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Non-cash lease expense Non-Cash Lease Expense Non-Cash Lease Expense Basic (in dollars per share) Basic loss per share (in dollars per share) Earnings Per Share, Basic 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Fair value of restricted stock vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Concentration Risk Type [Domain] Concentration Risk Type [Domain] Incremental Revolver Incremental Revolver [Member] Incremental Revolver Sales and marketing Selling and Marketing Expense Internal use software development costs, net Internal Use Software Development Costs, Net The carrying amount of internal use software development costs net of accumulated amortization as of the balance sheet date. TOTAL STOCKHOLDERS' EQUITY Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vesting [Domain] Vesting [Domain] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Entity Interactive Data Current Entity Interactive Data Current Total accumulated amortization—intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Annual percentage increase Evergreen Annual % Increase Evergreen Annual % Increase Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Member] Changes in operating assets and liabilities, net of effect of business acquisitions: Increase (Decrease) in Operating Capital [Abstract] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three 2026 Long-Term Debt, Maturity, Year Five Accumulated Deficit Retained Earnings [Member] Unrecognized employee stock-based compensation Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Shares issued, elected decrease, percent Business Acquisition, Equity Interest Issued or Issuable, Elected Decrease, Percentage Business Acquisition, Equity Interest Issued or Issuable, Elected Decrease, Percentage Common Stock  Common Stock [Member] Maximum employee subscription rate Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs for all Plans Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Other comprehensive loss Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Purchase of treasury stock Payments for Repurchase of Common Stock Shares available for grant (in shares) Number of shares reserved (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Business combination, contingent consideration, liability Business Combination, Contingent Consideration, Liability Thereafter Long-Term Debt, Maturity, after Year Five Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Statement [Table] Statement [Table] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Convertible Senior Notes Convertible Senior Note [Member] Convertible Senior Note Vested and released (in dollars per share) Vested (in dollars 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 Issuance of common stock associated with the SpotX Acquisition Stock Issued During Period, Value, Acquisitions Document Quarterly Report Document Quarterly Report Thereafter Amortization Of Debt Issuance Costs, Year Five Amortization Of Debt Issuance Costs, Year Five Letter of Credit Letter of Credit [Member] Current assets: Assets, Current [Abstract] Performance measurement percentage Share-based Compensation Arrangement By Share-based Payment Award, Performance Measurement, Percentage Share-based Compensation Arrangement By Share-based Payment Award, Performance Measurement, Percentage Lease liabilities, non-current Operating Lease, Liability, Noncurrent Statistical Measurement [Axis] Statistical Measurement [Axis] Purchase of treasury stock (in shares) Treasury Stock, Shares, Acquired Payment of indemnification claims holdback Payment for Contingent Consideration Liability, Financing Activities Accumulated deficit Retained Earnings (Accumulated Deficit) Proceeds from Convertible Senior Notes offering Net proceeds Proceeds from Convertible Debt Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Convertible notes Convertible Debt, Fair Value Disclosures Equity Components [Axis] Equity Components [Axis] Debt utilization triggering leverage ratio compliance, percent Line of Credit Facility, Covenant Compliance, Debt Utilization Triggering Leverage Ratio Compliance, Percentage Line of Credit Facility, Covenant Compliance, Debt Utilization Triggering Leverage Ratio Compliance, Percentage Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested And Vested But Deferred, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested And Vested But Deferred, Weighted Average Grant Date Fair Value Trademarks Trademarks [Member] Recurring Fair Value, Recurring [Member] Exercisable (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price SpotX Acquisition, SpringServe Acquisition, And Telaria Merger SpotX Acquisition, SpringServe Acquisition, And Telaria Merger [Member] SpotX Acquisition, SpringServe Acquisition, And Telaria Merger Unaudited Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Expired (usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Document Fiscal Year Focus Document Fiscal Year Focus OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Statement [Line Items] Statement [Line Items] Repayment of financing lease Finance Lease, Principal Payments Proceeds from issuance of debt, net of debt discount Proceeds from Issuance of Other Long-Term Debt Restricted stock units outstanding and unvested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Total other expense, net Nonoperating Income (Expense) Variable Rate [Domain] Variable Rate [Domain] Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Total identifiable intangible assets, gross Finite-Lived Intangible Assets, Gross Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Right-of-use lease asset Operating Lease, Right-of-Use Asset Accumulated  Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Lease expense Operating Lease, Expense Type of Restructuring [Domain] Type of Restructuring [Domain] Document Transition Report Document Transition Report Local Phone Number Local Phone Number Schedule of Share-based Compensation, Stock Options, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Loss from operations Operating Income (Loss) 2024 Contractual Obligation, to be Paid, Year Two Recently Adopted and Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Accounts Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Accounts Receivables Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Debt Instrument Conversion Term [Domain] Debt Instrument Conversion Term [Domain] Measurement Period Scenario [Domain] Total assets to be 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 Common stock, shares, outstanding (in shares) Beginning Balance (in shares) Ending Balance (in shares) Common Stock, Shares, Outstanding Goodwill Goodwill 2025 Amortization Of Debt Discount (Premium), Year Three Amortization Of Debt Discount (Premium), Year Three Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] 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] 2023 Amortization Of Debt Issuance Costs, Year One Amortization Of Debt Issuance Costs, Year One Goodwill, Intangible Assets, and Capitalized Costs Incurred in Cloud Computing Arrangements Goodwill and Intangible Assets Disclosure [Text Block] Benefit for income taxes Income Tax Expense (Benefit) Geographical [Domain] Geographical [Domain] Deferred tax liability, net Deferred Income Tax Liabilities, Net Intrinsic value of nonvested unit Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Income Statement [Abstract] Income Statement [Abstract] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Additional Paid-In Capital Additional Paid-in Capital [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Document Fiscal Period Focus Document Fiscal Period Focus Restricted cash included in other assets, non-current Restricted Cash, Noncurrent Intrinsic values of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Diluted (in shares) Weighted average number of shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Debt issuance costs, gross Debt Issuance Costs, Gross Accounts payable and accrued expenses Total Accounts Payable and Accrued Liabilities, Current Common stock, $0.00001 par value; 500,000 shares authorized at September 30, 2022 and December 31, 2021; 133,349 and 132,553 shares issued at September 30, 2022 and December 31, 2021, respectively, and 133,349 and 132,204 shares outstanding at September 30, 2022 and December 31, 2021, respectively Common Stock, Value, Issued Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Granted (in dollars per share) Grant date fair value (in dollars 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 Basis Of Revenue Recognition [Axis] Basis Of Revenue Recognition [Axis] Basis Of Revenue Recognition Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Convertible Debt Convertible Debt [Member] 2022 Contractual Obligation, to be Paid, Remainder of Fiscal Year Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Short-term lease expense Short-Term Lease, Cost Fair value appreciation of SpotX purchase right Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Product Concentration Risk Product Concentration Risk [Member] Impairment of intangible assets Impairment of Intangible Assets, Finite-Lived Personnel related (severance and one-time termination benefit costs) Employee Severance And One-Time Termination Benefits [Member] Employee Severance And One-Time Termination Benefits CASH, CASH EQUIVALENTS AND RESTRICTED CASH — Beginning of period CASH, CASH EQUIVALENTS AND RESTRICTED CASH — End of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents 2025 Contractual Obligation, to be Paid, Year Three Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Cash paid for restructuring costs Payments For Restructuring And Merger Related Costs Payments For Restructuring And Merger Related Costs Current liabilities: Liabilities, Current [Abstract] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Common stock, shares, issued (in shares) Common Stock, Shares, Issued Capitalized assets financed by accounts payable and accrued expenses Capital Expenditures Incurred but Not yet Paid Foreign exchange gain, net Foreign Currency Transaction Gain (Loss), before Tax Income Statement Location [Domain] Income Statement Location [Domain] Professional services (investment banking advisory, legal and other professional services) Business Combination, Acquisition Related Costs 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] Amendment Flag Amendment Flag Term of lease contract Lessee, Operating Lease, Remaining Lease Term Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Purchase price prior to working capital adjustments Business Combination, Consideration Transferred, Before Working Capital Adjustments Business Combination, Consideration 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[Member] ServeMotion, Inc. Alternate Base Rate Alternate Base Rate [Member] Alternate Base Rate Restructuring charges Restructuring Charges Debt instrument, unamortized discount Total Debt Instrument, Unamortized Discount Threshold percent of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 2025 Long-Term Debt, Maturity, Year Four Entity Filer Category Entity Filer Category Basic (in shares) Weighted-average common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic United States UNITED STATES Term Loan B Facility Senior Secured Term Loan Facility [Member] Senior Secured Term Loan Facility Deferred Financing Costs Deferred Financing Costs [Member] Deferred Financing Costs Debt Issuance Costs [Axis] Debt Issuance Costs [Axis] Debt Issuance Costs Stock-based compensation expense Share-Based Payment Arrangement, Expense Commitments and contingencies (Note 12) Commitments and Contingencies Security Exchange Name Security Exchange 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Expensed and Capitalized, Amount [Line Items] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Trailing consecutive trading day performance period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vesting, Threshold Consecutive Trading Days Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vesting, Threshold Consecutive Trading Days Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Vesting [Axis] Vesting [Axis] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Diluted (in dollars per share) Diluted loss per share (in dollars per share) Earnings Per Share, Diluted Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Tranche two Share-Based Payment Arrangement, Tranche Two [Member] Trademarks and 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