Insider Trading Arrangements [Line Items] Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Terminated [Flag] Trade receivables (net of allowance for credit losses of $7,640 and $10,207 as of September 30, 2024 and December 31, 2023, respectively) (1) Trade receivables Trade receivable balance Amortization of premium and accretion of discount on short-term investments, net Accretion (Amortization) of Discounts and Premiums, Investments Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Additional paid-in capital Trade receivables, allowance for credit losses Deferred financing costs amortization Amortization of Debt Issuance Costs Amortization expenses related to intangible assets Changes in fair value of derivative instruments Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net CONSOLIDATED INTERIM BALANCE SHEETS [Abstract] Time deposits Time Deposits, at Carrying Value Net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, basic (in dollars per share) Net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, basic (in dollars per share) Cash and cash equivalents Total cash and cash equivalents Breakdown of Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents, at Carrying Value [Abstract] Interest Decrease in trade receivables, net Increase (Decrease) in Accounts Receivable Decrease in prepaid expenses and other current assets and long-term prepaid expenses Increase (Decrease) in Prepaid Expense and Other Assets Increase (decrease) in trade payables Increase (Decrease) in Accounts Payable, Trade Change in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Increase in related party trade payables Increase (Decrease) in Accounts Payable, Related Parties Increase in related party trade receivables Increase (Decrease) in Accounts Receivable, Related Parties Commercial Paper [Member] COMMITMENTS AND CONTINGENCIES Ordinary shares, shares authorized (in shares) Authorized share capital (in shares) Ordinary shares, shares issued (in shares) Ordinary shares, shares outstanding (in shares) Ordinary shares Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Concentration Risk Type [Axis] Concentration Risk [Line Items] Concentration Risk [Table] Concentration Risk Type [Domain] Corporate Debt Securities [Member] Other cost of revenues Other Cost of Operating Revenue Total cost of revenues Cost of Revenue Cost of revenues: Total current liabilities Liabilities, Current CURRENT LIABILITIES Customer Concentration Risk [Member] Customer Relationships [Member] Customer Relationships [Member] FINANCING ARRANGEMENTS Senior secured term loan credit agreement Frequency of periodic payment Facility amortization rate Debt Instrument, Name [Domain] Debt Instruments [Abstract] Debt Instrument [Axis] Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] Issuance costs Payments of Debt Issuance Costs Depreciation and amortization Gains (losses) recognized in the consolidated statements of loss, net Derivative notional amount Derivative Instrument [Abstract] DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Warrants liability Derivative [Line Items] Derivative [Table] CASH AND CASH EQUIVALENTS Cash and Cash Equivalents Disclosure [Text Block] Net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, diluted (in dollars per share) Net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, diluted (in dollars per share) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Income Tax Rate [Abstract] Total share-based compensation expense Share-Based Payment Arrangement, Expense Share-based compensation expenses Share-Based Payment Arrangement, Noncash Expense Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets [Line Items] Estimated Future Amortization Expense of Other Intangible Assets [Abstract] Broker and transaction fees Floor Brokerage, Exchange and Clearance Fees Derivative instruments designated as cash flow hedging instruments Fair value of cash flow hedging instruments recorded as assets Unrealized gains (losses) on derivative instruments at the end of the period (unaudited) Unrealized gains (losses) on derivative instruments at the beginning of the period Foreign Currency Fair Value Hedge Derivative at Fair Value, Net General and administrative General and Administrative [Member] General and Administrative Expense [Member] Gross profit Gross Profit Impairment to goodwill CONSOLIDATED INTERIM STATEMENTS OF LOSS [Abstract] INCOME TAXES Income taxes Income Taxes Paid, Net Intangible assets, net Gross fair value Net book value Finite-Lived Intangible Assets, Net Intangible Assets [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Goodwill Interest expenses recognized with the long-term loan SHORT-TERM INVESTMENTS Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Equity Based Compensation Expense [Abstract] Total liabilities and shareholders' equity Liabilities and Equity LIABILITIES AND SHAREHOLDERS' EQUITY Aggregate committed principal amount Long-term loan, net of current maturities Loans Payable, Noncurrent Current maturities of long-term loan Loans Payable, Current Long term debt Loss Contingencies [Line Items] Loss Contingencies [Table] Money Market Funds [Member] Money market funds Related and Nonrelated Parties [Axis] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from operating activities Net loss Net loss Net loss Net loss attributable to Ordinary shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic Finance expenses, net Interest Income (Expense), Operating Total non-current assets Assets, Noncurrent NON-CURRENT ASSETS Total long-term liabilities Liabilities, Noncurrent LONG-TERM LIABILITIES Non-Voting Ordinary Shares [Member] Non-voting Ordinary Shares [Member] Non-Voting Ordinary Shares [Member] Operating income (loss) Operating Income (Loss) Long-term prepaid expenses Exercise of options and vested RSUs Proceeds from Stock Options Exercised Property and equipment, net Purchase of property and equipment, including capitalized internal-use software Payments to Acquire Property, Plant, and Equipment Purchase of short-term investments Payments to Acquire Short-Term Investments Related and Nonrelated Parties [Domain] Related Party Transaction [Line Items] RELATED PARTY TRANSACTIONS Related Party Transaction [Table] Repayment of long-term loan Repayments of Long-Term Debt Repurchase of Ordinary shares Payments for Repurchase of Common Stock Restricted deposits Accumulated deficit GEOGRAPHIC INFORMATION Sales and marketing Sales and Marketing [Member] Selling and Marketing Expense [Member] Stock Option Plan [Abstract] Share-Based Payment Arrangement, Disclosure [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Granted (in shares) Granted (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 Outstanding, end of period (in shares) Outstanding, beginning of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding, beginning of period (in dollars per share) Outstanding, end of period (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 Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Fair value of RSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Vested (in dollars per share) Aggregate intrinsic value, exercised Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Aggregate intrinsic value, outstanding Outstanding, end of period (in shares) Outstanding, beginning of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Outstanding, beginning of period (in dollars per share) Outstanding, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Exercisable (in shares) Exercisable (in dollars per share) Award Type [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Short-term investments Short-Term Investments SIGNIFICANT ACCOUNTING POLICIES CONSOLIDATED INTERIM STATEMENTS OF CASH FLOWS [Abstract] CONSOLIDATED INTERIM STATEMENTS OF COMPREHENSIVE LOSS [Abstract] CONSOLIDATED INTERIM STATEMENTS OF SHAREHOLDERS' EQUITY [Abstract] Issuance expenses Payments of Stock Issuance Costs SHAREHOLDERS' EQUITY Summary of Derivative Instruments by Hedge Designation [Abstract] GOODWILL AND INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Supplemental disclosures of cash flow information: Total current assets Assets, Current CURRENT ASSETS Tradenames [Member] Average price paid per share (in dollars per share) Purchase price paid per share (in dollars per share) Warrants [Member] Warrant [Member] Weighted-average shares used in computing net loss per share attributable to Ordinary shareholders, diluted (in shares) Weighted-average shares used in computing net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares used in computing net loss per share attributable to Ordinary and Non-voting Ordinary shareholders, basic (in shares) Weighted-average shares used in computing net loss per share attributable to Ordinary shareholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Ordinary Shares [Member] Ordinary Shares [Member] Research and development Research and Development Expense Cash Fair Value Total assets Assets Other long-term liabilities Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Financial Instruments [Domain] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Statement [Table] Antidilutive Securities, Name [Domain] Short-term investments Investments, Fair Value Disclosure ASSETS Assets [Abstract] Statement [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Changes in Fair Value of Warrants Liability Changes in Fair Value of Warrants Liability [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Change from private to public holdings Level 1 [Member] Level 2 [Member] Level 3 [Member] Concentrations of Credit Risks [Abstract] Risks and Uncertainties [Abstract] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Class of Stock [Domain] Increase (Decrease) in Stockholders' Equity [Roll Forward] Deferred financing costs Decrease in deferred taxes, net Increase (Decrease) in Deferred Income Taxes Operating expenses: Total operating expenses Expenses from transaction Operating Expenses Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Antidilutive securities (in shares) Antidilutive Securities [Axis] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] NET LOSS PER SHARE ATTRIBUTABLE TO ORDINARY SHAREHOLDERS [Abstract] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities [Abstract] Additions to goodwill Debt Securities, Available-for-Sale [Line Items] Class of Stock [Axis] Total shareholders' equity Ending balance Beginning balance Equity, Attributable to Parent Income tax expenses Income Tax Expense (Benefit) Changes Related to Cash Flow Hedging Instruments, Recorded in Consolidated Interim Statements of Loss [Abstract] Derivative, Gain (Loss) on Derivative, Net [Abstract] Warrants liability Derivative Liability Derivative Instruments Asset [Member] Equity Components [Axis] Additional Paid-in Capital [Member] Accumulated Deficit [Member] Accumulated Other Comprehensive Income (Loss) [Member] Equity Component [Domain] Purchase of property and equipment, including capitalized internal-use software Capital Expenditures Incurred but Not yet Paid Share Options [Member] Outstanding Share Options [Member] Ordinary shares, par value (in dollars per share) Issuance of Ordinary shares and Non-voting Ordinary shares related to Commercial agreement Fair value of shares issued Stock Issued During Period, Value, New Issues Issuance of shares (in shares) Issuance of Ordinary shares and Non-voting Ordinary shares related to Commercial agreement (in shares) Net issuance of shares (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Number of shares repurchased (in shares) Repurchase of Ordinary shares (in shares) Issuance expenses Net loss attributable to Ordinary shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Repurchase of Ordinary shares Treasury Stock, Value, Acquired, Cost Method Outstanding Share Options [Roll Forward] Weighted Average Remaining Contractual Term [Abstract] Outstanding Restricted Share Unit [Roll Forward] Restricted Stock Units [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Stock-based compensation [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures [Abstract] Ending balance (in shares) Beginning balance (in shares) Shares, Issued NET LOSS PER SHARE ATTRIBUTABLE TO ORDINARY SHAREHOLDERS Earnings Per Share [Text Block] Denominator: [Abstract] Trade Receivable [Member] COMMITMENTS AND CONTINGENCIES (Note 11) Restricted deposits Restricted Investments, Noncurrent Adjustments to reconcile net loss to net cash flows provided by operating activities: GENERAL Trade payables Trade payables Trade payable balance Accounts Payable, Trade, Current Other comprehensive income (loss): Other comprehensive income (loss) Other comprehensive income (loss) Shares Granted or Issued, Share-Based Payment Arrangement [Abstract] Additional equity-based compensation plan Share-based compensation expenses APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Numerator: [Abstract] Business acquisition deferred payment Payments for Previous Acquisition Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Prepaid expenses and other current assets Segments, Geographical Areas [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Revenues from External Customers and Long-Lived Assets [Line Items] Fair Value Hierarchy and NAV [Domain] Increase in accrued expenses and other current liabilities and other long-term liabilities Payment of tax withholding for share-based compensation expenses Payment, Tax Withholding, Share-Based Payment Arrangement Accrued expenses and other current liabilities Accounts Payable and Other Accrued Liabilities, Current Asset Class [Domain] Payments of tax withholding for share based compensation Payments of tax withholding for share-based compensation CASH AND CASH EQUIVALENTS [Abstract] GENERAL [Abstract] SHORT-TERM INVESTMENTS [Abstract] Fair value, ending balance Fair value, beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Asset Class [Axis] Fair Value Hierarchy and NAV [Axis] Assets and Liabilities Measured at Fair Value Breakdown of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] COMMITMENTS AND CONTINGENCIES [Abstract] Net issuance of shares (in shares) Stock Issued During Period, Shares, Other INCOME TAXES [Abstract] GOODWILL AND INTANGIBLE ASSETS, NET [Abstract] FAIR VALUE MEASUREMENTS [Abstract] FINANCING ARRANGEMENTS [Abstract] Amortized Cost Summary of RSU activity Equity Based Compensation Expense Share Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Key Inputs into Black-Scholes Model Changes in Unrealized Gains (Losses) on Derivative Instruments Recorded in Accumulated Other Comprehensive Income (Loss) DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES [Abstract] Use of Estimates RSUs [Member] Restricted Share Units [Member] Assets [Abstract] Assets, Fair Value Disclosure [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Estimated Future Amortization Expense of Other Intangible Assets Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Liabilities [Abstract] Research and Development [Member] Proceeds from maturities of short-term investments SIGNIFICANT ACCOUNTING POLICIES [Abstract] GEOGRAPHIC INFORMATION [Abstract] RELATED PARTY TRANSACTIONS [Abstract] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Non-cash investing and financing activities: Computation of Basic and Diluted Net Loss Per Share Aggregate intrinsic value, exercisable Basis of Presentation Definite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Intangible Asset, Finite-Lived [Table] Weighted-Average Grant Date Fair Value Per Share [Roll Forward] Forfeited (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 Unrecognized share based compensation cost Unrecognized share based compensation cost related to unvested RSUs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Financial Instrument [Axis] Weighted-Average Exercise Price Per Share [Roll Forward] Granted (in dollars per share) Exercised (in dollars per share) Forfeited (in dollars per share) Balance Sheet Location [Axis] Award Type [Axis] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Domain] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reclassification Concentrations of Credit Risk Revolving Credit Agreement [Member] Credit Facility [Axis] Credit Facility [Domain] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three 2024 (Remainder) Weighted-average remaining contractual life Weighted-average remaining contractual life, exercisable Weighted-average period expected to be recognized Weighted-average period to be recognized Purchase obligation Non-cancelable Purchase Obligations [Abstract] Long-term loan term Key Inputs into Black-Scholes Model [Abstract] Balance Sheet Location [Domain] Cost of Revenues [Member] Gains (Losses) Related to Cash Flow Hedging Instruments, Recorded in Consolidated Statements of Loss Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Table] Prepaid Expenses and Other Current Assets [Member] Revenue by Geographic Area Based on Advertisers' Billing Address Revenue [Member] Closing share price (in dollars per share) Revaluation of the Warrants liability Vesting [Axis] Vesting [Domain] Long-term loan maturity Technology [Member] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Gains Time-Based Vesting Condition [Member] Share-Based Payment Arrangement, Tranche One [Member] Vesting Condition [Member] Share-Based Payment Arrangement, Tranche Two [Member] Remaining authorized repurchase of common stock Aggregate purchase price Summary of available-for-sale marketable securities [Abstract] Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Deferred tax liabilities, net Deferred Income Tax Liabilities, Net Treasury Ordinary Shares [Member] Treasury ordinary shares (in shares) Treasury Ordinary shares, at cost - 30,725,351 (29,737,055 Ordinary shares and 988,296 Non-voting Ordinary shares) and 15,240,471 Ordinary shares as of September 30, 2024 and December 31, 2023, respectively Treasury Stock, Common, Value Operating lease right of use assets Revenues Revenues Revenue Revenue from Contract with Customer, Including Assessed Tax Exchange rate differences on balances of cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents - at end of the period Cash and cash equivalents - at the beginning of the period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Short-term operating lease liabilities Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Measurement Input Type [Axis] Exercise Price [Member] Expected Term [Member] Expected Volatility [Member] Risk Free Interest Rate [Member] Underlying Share Price [Member] Measurement Input Type [Domain] Private Warrants, Measurement Input Summary of Available-for-Sale Marketable Securities Debt Securities, Available-for-Sale [Table] Warrants maturity period Unrealized gains (losses) on derivative instruments, net Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Reclassification of losses (gains) recognized in the consolidated interim statements of loss from accumulated other comprehensive income (loss) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Change in operating lease liabilities Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Related Party [Member] Geographical [Domain] Geographical [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Counterparty Name [Axis] Counterparty Name [Domain] Share repurchase program, authorized amount Share Buyback Program [Abstract] Share Repurchase Program [Abstract] Germany [Member] United Kingdom [Member] Israel [Member] ISRAEL United States [Member] Cover [Abstract] Document Type Document Quarterly Report Document Transition Report Entity Interactive Data Current Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Entity Registrant Name Entity Central Index Key Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Entity Listings [Table] Entity Listings [Line Items] Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding SHAREHOLDERS' EQUITY AND SHARE INCENTIVE PLANS [Abstract] The entire disclosure for shareholders' equity and share incentive plans comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. Stockholders' Equity Note and Share Incentive Plans [Text Block] SHAREHOLDERS' EQUITY AND SHARE INCENTIVE PLANS Warrants to purchase ordinary shares [Member] Warrants [Member] A program by which a company buys back its own shares from the marketplace, usually because management thinks the shares are undervalued, reducing the number of outstanding shares. Share Repurchase Program [Member] Share Buyback Program [Member] Amount of commercial agreement assets, classified as noncurrent. Commercial Agreement, Noncurrent Commercial agreement asset Share Based Compensation Arrangement by Share Based Payment Award Options, Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value [Abstract] Commercial Commitments [Abstract] Period of contract agreements with certain digital properties, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period of Contracts Period of contract Concentration risk threshold percentage. Concentration Risk Threshold Percentage Concentration risk threshold percentage Number of major customers who contributes 10% or more of entity's total revenue. Number of Major Customers Number of major customers Merchant or network affiliate relationships based intangible assets. Merchant or Network Affiliate Relationships [Member] Merchant/Network Affiliate Relationships [Member] Publisher relationship that exists between an entity and its publisher. Publisher Relationship Intangible Assets [Member] Publisher Relationships [Member] Disclosure of information about entity owned or controlled by another entity. Organization Consolidation and Presentation of Financial Statements [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Organization Consolidation and Presentation of Financial Statements [Line Items] The aggregate expense charged against earnings to allocate the cost of commercial agreement asset. Amortization Expenses of Commercial Agreement Asset Amortization expenses of commercial agreement asset Commercial agreement asset amortization The period of commercial agreement entered by entity, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period of Commercial Agreement Period of commercial agreement The cash outflow on accounts of repurchase of common stock during the period. Payments on Accounts for Repurchase of Common Stock Payments on account of repurchase of Ordinary shares The amount of non-cash outflow for creation of operating lease right-of-use assets. Creation of Operating Lease Right-of-use Assets Creation of operating lease right-of-use assets The amount of share based compensation included in capitalized internal-use software in noncash investing or financing activities. Share Based Compensation Included in Capitalized Internal-Use Software Share-based compensation included in capitalized internal-use software Amount of gain (loss) from financing expenses (income), classified as operating activities. Gain (Loss) from Financing Expenses (Income) Net loss (income) from financing expenses Amount of amortization of loan and credit facility issuance costs. Amortization of Loan and Credit Facility Issuance Costs Amortization of loan and credit facility issuance costs The net cash inflow or outflow for the proceeds from (investment in) the restricted deposits balances. Proceeds from (Investment in) Restricted Deposits Investments in restricted deposits Cash Paid During The Year For [Abstract] Cash paid during the year for: The increase (decrease) during the reporting period in operating lease right of use assets. Increase (Decrease) in Operating Lease Right of Use Assets Change in operating lease right of use assets Share Capital [Abstract] Number of votes each holder is entitled to vote per share. Common Stock Votes Per Share Vote per share Number of share options and vested restricted stock units (or share units) exercised during the current period. Stock Issued During Period Shares Stock Options Exercised and Vested Restricted Stock Units Exercise of options and vested RSUs (in shares) Value of stock issuance of connexity of holdback during the period. Stock Issued During Period, Value, Connexity Issuance of Holdback Connexity issuance of Holdback Value of stock issued as a result of the exercise of stock options and vested restricted stock units. Stock Issued During Period, Value, Stock Options Exercised And Vested Restricted Stock Units Exercise of options and vested RSUs Number of shares of stock issuance of connexity during the current period. Stock Issued During Period, Shares, Connexity Issuance of Holdback Connexity issuance of Holdback (in shares) Ordinary shares subject to issuable, upon issuable related to business combination under holdback arrangement. Issuable Ordinary Shares Related to Business Combination Under Holdback Arrangement [Member] Issuable Ordinary Shares Related to Business Combination Under Holdback Arrangement [Member] Security that gives the holder the right to purchase one share of Class A common stock at a specific exercise price. Certain Private Warrants [Member] Security that gives the holder the right to purchase one share of Class A common stock at a specific exercise price. Private Placement Warrant [Member] Private Warrants [Member] Security that gives the holder the right to purchase one share of Class A common stock at an exercise price of $11.50. Public Warrant [Member] Public Warrants [Member] Geographic area classified as other. Other Geographic Area [Member] Rest of the World [Member] Arrangement under a Credit Agreement with several financial institutions party thereto as lenders, as borrower, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent. Senior Secured Term Loan Credit Agreement [Member] Credit Agreement [Member] The Company in which our Company is in certain transaction related agreements with. Yahoo [Member] Related Party Transaction [Abstract] Number of representatives that can be appointed to Board of Directors. Number of representatives that can be appointed to Board of Directors Number of representatives that can be appointed to Board of Directors Traffic acquisition costs include up-front payments, incentive payments, or bonuses paid to the digital property partners. Traffic Acquisition Costs Traffic acquisition cost Traffic acquisition cost CONSOLIDATED STATEMENTS OF LOSS [Abstract] CONSOLIDATED INTERIM STATEMENTS OF LOSS [Abstract] Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Traffic acquisition costs include up-front payments, incentive payments, or bonuses paid to the digital property partners. Traffic Acquisition Costs from Contract with Customer, Including Assessed Tax Traffic acquisition costs Amount, after tax and before adjustment, of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). OCI, Debt Securities, Available-for-Sale, Unrealized And Realized Gain (Loss), before Adjustment, after Tax Unrealized and realized gains on available-for-sale marketable securities, net The vested shares netted out to satisfy tax obligations during the period. Vested Shares Netted Out to Satisfy Tax Obligations Vested shares netted out to satisfy tax obligations (in shares)