Other Liabilities Disclosure [Abstract]
Clients' prepayments
Contract with Customer, Refund Liability, Current
Credit notes
Notes Payable, Current
Accounts payable relating to capital expenditures
Accounts Payable, Capital Expenditures
Accounts Payable, Capital Expenditures
Other creditors
Other Sundry Liabilities, Current
Deferred revenue
Contract with Customer, Liability, Current
Total
Accounts Payable, Accrued Liabilities, Employee-related Payables, and Taxes Payable, Current
Accounts Payable, Accrued Liabilities, Employee-related Payables, and Taxes Payable, Current
Earnings Per Share [Abstract]
Net income attributable to shareholders of Criteo S.A.
Net Income (Loss) Attributable to Parent
Weighted average number of shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Dilutive effect of :
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Restricted share awards (RSU's) (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Share options and (BSPCEs) (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements, Options And BSPCE
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements, Options And BSPCE
Share warrants (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants
Weighted average number of shares outstanding used to determine diluted earnings per share (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Diluted earnings per share (in USD per share)
Earnings Per Share, Diluted
Earnings Per Share
Earnings Per Share [Text Block]
Accounting Policies [Abstract]
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2016-02
Accounting Standards Update 2016-02 [Member]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Total Lease Liability
Operating Lease, Liability
Operating right-of-use assets
Operating Lease, Right-of-Use Asset
Cover page.
Document Information [Table]
Document Information [Table]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
American Depositary Shares
American Depositary Shares [Member]
American Depositary Shares [Member]
Ordinary Shares
Common Stock [Member]
Document Information [Line Items]
Document Information [Line Items]
Document Type
Document Type
Document Quarterly Report
Document Quarterly Report
Document Period End Date
Document Period End Date
Document Transition Report
Document Transition Report
Entity File Number
Entity File Number
Entity Registrant Name
Entity Registrant Name
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, City or Town
Entity Address, Country
Entity Address, Country
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Country Region
Country Region
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Title of 12(b) Security
Title of 12(b) Security
Trading Symbol
Trading Symbol
No Trading Symbol Flag
No Trading Symbol Flag
Security Exchange Name
Security Exchange Name
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Restructuring and Related Activities [Abstract]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Beginning balance
Restructuring Reserve
Restructuring costs
Restructuring Charges
Restructuring costs - non cash item
Restructuring Reserve, Settled without Cash
Amounts paid
Payments for Restructuring
Ending balance
Leases [Abstract]
Components of leases
Lease, Cost [Table Text Block]
Schedule of future minimum lease payments
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Share-based Payment Arrangement [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Vesting [Axis]
Vesting [Axis]
Vesting [Domain]
Vesting [Domain]
Vesting period 1
Share-based Payment Arrangement, Tranche One [Member]
Vesting period 2
Share-based Payment Arrangement, Tranche Two [Member]
Title of Individual [Axis]
Title of Individual [Axis]
Title of Individual [Domain]
Title of Individual [Domain]
Management
Management [Member]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Award Type [Domain]
RSUs
Restricted Stock Units (RSUs) [Member]
Share options / BSPCE
Share Options and BSPCE [Member]
Share Options and BSPCE [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Fair Value Disclosures [Abstract]
Schedules of concentration of risk
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Schedule of financial liabilities
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]
Schedule of derivative financial instruments
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule of assets and liabilities carried at fair value
Fair Value, by Balance Sheet Grouping [Table Text Block]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Recently Issued Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Revenue
Revenue from Contract with Customer [Policy Text Block]
Revenue from Contract with Customer [Abstract]
Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Segment Reporting [Abstract]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Holding
Parent Company [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Americas
Americas [Member]
United States
UNITED STATES
EMEA
EMEA [Member]
Asia-Pacific
Asia Pacific [Member]
Japan
JAPAN
Singapore
SINGAPORE
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from External Customers and Long-Lived Assets [Line Items]
Non-current assets
Long-Lived Assets
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 2
Fair Value, Inputs, Level 2 [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at fair value measurement
Portion at Fair Value Measurement [Member]
Fair value
Estimate of Fair Value Measurement [Member]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Cash equivalents
Cash [Member]
Cash on hand
Interest-bearing Deposits [Member]
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]
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Authorized amount of share repurchase program
Stock Repurchase Program, Authorized Amount
Other Income and Expenses [Abstract]
Financial income from cash equivalents
Investment Income, Interest
Interest and fees
Interest Expense
Interest on debt
Interest Expense, Debt
Fees
Debt Related Commitment Fees and Debt Issuance Costs
Foreign exchange gain (loss)
Foreign Currency Transaction Gain (Loss), before Tax
Other financial expense
Other Nonoperating Income (Expense)
Total financial income (expense)
Nonoperating Income (Expense)
Related Party Transactions [Abstract]
Related Parties
Related Party Transactions Disclosure [Text Block]
Significant Events and Transactions of the Period
Significant Events and Transactions of the Period [Text Block]
Significant Events and Transactions of the Period [Text Block]
Financial income (expense)
Cash Flow, Operating Activities, Lessee [Abstract]
Cash Flow, Operating Activities, Lessee [Abstract]
Cash flow for operating activities
Operating Lease, Payments
Right of use assets obtained in exchange for new operating lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Research and Development expense
Research and Development Expense [Member]
Sales and Operations expense
Sales And Operations Expense [Member]
Sales And Operations Expense [Member]
General and Administrative expense
General and Administrative Expense [Member]
Restatement [Axis]
Restatement [Axis]
Restatement [Domain]
Restatement [Domain]
Restatement Adjustment
Restatement Adjustment [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Servers and other equipment
Servers And Other Equipment [Member]
Servers And Other Equipment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Useful life
Property, Plant and Equipment, Useful Life
Increase to income from operations
Operating Income (Loss)
Increase to net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Basic earnings per share (in USD per share)
Earnings Per Share, Basic
Restructuring costs
Shares authorized to be repurchased and retired (in shares)
Stock Repurchase Program, Number of Shares Authorized to be Repurchased
Offices
Office Building [Member]
Data Centers
Data Center [Member]
Data Center [Member]
Lease expense
Operating Lease, Cost
Short term lease expense
Short-term Lease, Cost
Variable lease expense
Variable Lease, Cost
Sublease income
Sublease Income
Total operating lease expense
Lease, Cost
Income Tax Disclosure [Abstract]
Income Tax Examination [Table]
Income Tax Examination [Table]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Income Tax Authority, Name [Domain]
Internal Revenue Service (IRS)
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Income Tax Examination [Line Items]
Current income tax
Current Income Tax Expense (Benefit)
Net change in deferred taxes
Deferred Income Tax Expense (Benefit)
Provision for income taxes
Income Tax Expense (Benefit)
Estimated tax rate
Effective Income Tax Rate Reconciliation, Estimated Tax Rate, Percent
Effective Income Tax Rate Reconciliation, Estimated Tax Rate, Percent
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Estimate of possible loss
Income Tax Examination, Estimate of Possible Loss
Share-Based Compensation
Share-based Payment Arrangement [Text Block]
Leases not yet commenced
Lessee, Operating Lease, Lease Not Commenced, Liability
Lessee, Operating Lease, Lease Not Commenced, Liability
Lease expense
Operating Leases, Rent Expense, Net
Schedule of consolidated revenue for each geographical area
Revenue from External Customers by Geographic Areas [Table Text Block]
Schedule of revenue generated in other significant countries
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Schedule of non-current assets by geographical area and country
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
Schedule of financial income (expense)
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Schedule of Provision for income taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Revenue
Revenue from Contract with Customer [Text Block]
Receivables [Abstract]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at January 1
Accounts Receivable, Allowance for Credit Loss, Current
Allowance for doubtful accounts
Accounts Receivable, Credit Loss Expense (Reversal)
Reversal of provision
Allowance For Doubtful Accounts Receivable, Reversal Of Provision
Allowance For Doubtful Accounts Receivable, Reversal Of Provision
Currency translation adjustment
Allowance For Doubtful Accounts Receivable, Currency Translation Adjustment
Allowance For Doubtful Accounts Receivable, Currency Translation Adjustment
Balance at March 31
Schedules of trade receivables net book value and Changes in allowance for doubtful accounts
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of estimated future amortization expense related to intangible assets
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Trade accounts receivables
Accounts Receivable, before Allowance for Credit Loss, Current
(Less) Allowance for doubtful accounts
Net book value at end of period
Accounts Receivable, after Allowance for Credit Loss, Current
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Real Estate [Domain]
Real Estate [Domain]
Weighted average remaining lease term (years)
Weighted Average Remaining Lease Term [Abstract]
Weighted Average Remaining Lease Term [Abstract]
Weighted average remaining lease term (years)
Operating Lease, Weighted Average Remaining Lease Term
Weighted average discount rate
Weighted Average Discount Rate [Abstract]
Weighted Average Discount Rate [Abstract]
Weighted average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Financial Income and Expenses
Other Nonoperating Income and Expense [Text Block]
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Share capital
Treasury Stock
Treasury Stock [Member]
Additional paid-in capital
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Retained Earnings
Retained Earnings [Member]
Equity - attributable to shareholders of Criteo S.A.
Parent [Member]
Non controlling interest
Noncontrolling Interest [Member]
Statement [Line Items]
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)
Common Stock, Shares, Outstanding
Beginning balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Net income
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Issuance of ordinary shares (in shares)
Stock Issued During Period, Shares, New Issues
Issuance of ordinary shares
Stock Issued During Period, Value, New Issues
Change in treasury stocks (in shares)
Treasury Stock, Shares, Acquired
Change in treasury stocks
Treasury Stock, Value, Acquired, Cost Method
Share-Based Compensation
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Other changes in equity
Stockholders' Equity, Other
Ending Balance (in shares)
Ending Balance
Statement of Cash Flows [Abstract]
Share-based compensation expense
Share-based Payment Arrangement, Expense
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Restricted share awards
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of anti-dilutive securities excluded from diluted earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Intangible assets and Goodwill
Intangible Assets Disclosure [Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Software
Computer Software, Intangible Asset [Member]
Technology and customer relationships
Technology And Customer Relationships [Member]
Technology And Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Estimated Amortization Expense Maturity
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
From July 1 to December 31, 2019
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2022
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2023
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Total
Finite-Lived Intangible Assets, Net
Remainder of 2019
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
2020
Lessee, Operating Lease, Liability, Payments, Due Year Two
2021
Lessee, Operating Lease, Liability, Payments, Due Year Three
2022
Lessee, Operating Lease, Liability, Payments, Due Year Four
2023
Lessee, Operating Lease, Liability, Payments, Due Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total minimum lease payments
Lessee, Operating Lease, Liability, Payments, Due
Impact of Discount Rate
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Statement of Comprehensive Income [Abstract]
Foreign currency translation differences, net of taxes
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Actuarial (losses) gains on employee benefits, net of taxes
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Other comprehensive income (loss)
Total comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Attributable to shareholders of Criteo S.A.
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Attributable to non-controlling interests
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Statement of Financial Position [Abstract]
Assets
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Trade receivables, net of allowances of $25.9 million and $19.5 million at December 31, 2018 and June 30, 2019, respectively
Income taxes
Prepaid Income Taxes
Prepaid Income Taxes
Other taxes
Prepaid Other Taxes and Other Taxes Receivable
Prepaid Other Taxes and Other Taxes Receivable
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property, plant and equipment, net
Property, Plant and Equipment, Net
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Goodwill
Goodwill
Right of use assets - operating lease
Non-current financial assets
Nontrade Receivables, Noncurrent
Deferred tax assets
Deferred Income Tax Assets, Net
Total non-current assets
Assets, Noncurrent
Total assets
Assets
Liabilities and shareholders' equity
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Trade payables
Accounts Payable, Trade, Current
Contingencies
Loss Contingency Accrual
Income taxes
Accrued Income Taxes, Current
Financial liabilities - current portion
Financial Liabilities, Current
Financial Liabilities, Current
Operating lease liabilities - current portion
Operating Lease, Liability, Current
Other taxes
Taxes Payable, Current
Employee - related payables
Employee-related Liabilities, Current
Other current liabilities
Other Liabilities, Current
Total current liabilities
Liabilities, Current
Deferred tax liabilities
Deferred Income Tax Liabilities, Net
Retirement benefit obligation
Liability, Defined Benefit Pension Plan, Noncurrent
Financial liabilities - non current portion
Financial Liabilities, Noncurrent
Financial Liabilities, Noncurrent
Operating lease liabilities - non current portion
Operating Lease, Liability, Noncurrent
Other non-current liabilities
Other Liabilities, Noncurrent
Total non-current liabilities
Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies
Commitments and Contingencies
Shareholders' equity:
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common shares, €0.025 par value, 67,708,203 and 66,161,523 shares authorized, issued and outstanding at December 31, 2018 and June 30, 2019, respectively.
Common Stock, Value, Issued
Treasury stock, 3,459,119 and 1,118,969 shares at cost as of December 31, 2018 and June 30, 2019, respectively.
Treasury Stock, Value
Additional paid-in capital
Additional Paid in Capital, Common Stock
Accumulated other comprehensive (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Retained earnings
Retained Earnings (Accumulated Deficit)
Equity-attributable to shareholders of Criteo S.A.
Stockholders' Equity Attributable to Parent
Non-controlling interests
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Total equity and liabilities
Liabilities and Equity
Income Taxes
Income Tax Disclosure [Text Block]
Trade Receivables
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Schedule of basic earnings per share
Schedule Of Earnings Per Share, Basic [Table Text Block]
Schedule Of Earnings Per Share, Basic [Table Text Block]
Schedule of diluted earnings per share
Schedule Of Earnings Per Share, Diluted [Table Text Block]
Schedule Of Earnings Per Share, Diluted [Table Text Block]
Schedule of weighted average number of anti-dilutive securities
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Gain from forfeitures of share-based compensation expense
Equity Awards Compensation Expense [Member]
Equity Awards Compensation Expense [Member]
Depreciation and amortization (expense)
Depreciation And Amortization Expense [Member]
Depreciation And Amortization Expense [Member]
Payroll costs and Facilities related costs
Payroll Costs And Facilities Related Costs [Member]
Payroll Costs And Facilities Related Costs [Member]
Total restructuring costs
Concentration Risk [Table]
Concentration Risk [Table]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Trade receivables, net of allowance
Trade Accounts Receivable [Member]
Other taxes
Other Taxes, Assets [Member]
Other Taxes, Assets [Member]
Other current assets
Other Current Assets [Member]
Non-current financial assets
Nontrade Receivables, Noncurrent [Member]
Nontrade Receivables, Noncurrent [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Maximum exposure
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure
Allowance for doubtful accounts receivable, period increase (decrease)
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)
OSA/BSPCE
RSU
BSAs
BSA [Member]
BSA [Member]
Number outstanding, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Weighted-average exercise price, options (in Euro per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Number vested, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Weighted-average exercise price, options (in Euro per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted-average remaining contractual life of options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Number outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Current Assets
Other Current Assets [Text Block]
Treasury Shares Repurchased to potentially use for M&A
Treasury Shares Repurchased for Merger and Acquisition [Member]
Treasury Shares Repurchased for Merger and Acquisition [Member]
Treasury Shares Repurchased for RSU Vesting
Treasury Shares Repurchased for RSU Vesting [Member]
Treasury Shares Repurchased for RSU Vesting [Member]
Treasury Shares Issued for RSU Vesting
Treasury Shares Issued for RSU Vesting [Member]
Treasury Shares Issued for RSU Vesting [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Number of Treasury Shares
Treasury Stock, Shares [Abstract]
Beginning Balance (in shares)
Treasury Stock, Shares
Treasury Shares Repurchased (in shares)
Treasury Shares Retired (in shares)
Treasury Stock, Shares, Retired
Treasury Shares Issued for RSU Vesting (in shares)
Stock Issued During Period, Shares, Treasury Stock Reissued
Ending Balance (in shares)
Amount (in thousands of dollars)
Treasury Stock, Value [Abstract]
Beginning Balance
Treasury Shares Repurchased
Treasury Shares Retired
Stock Repurchased and Retired During Period, Value
Treasury Shares Issued for RSU Vesting
Stock Issued During Period, Value, Treasury Stock Reissued
Ending Balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance, options (in shares)
Granted, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Exercised, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Vested, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
Forfeited, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Expired, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Ending balance, options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance (in shares)
Granted (in shares)
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations
Ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments [Roll Forward]
Beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Grants in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Grants in Period
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Exercised
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Vested
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Forfeited in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Forfeited in Period
Expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Expirations in Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Expirations in Period
Ending balance (in shares)
Trade payables
Accounts Payable, Fair Value Disclosure
Other taxes
Other Taxes Liability, Fair Value Disclosure
Other Taxes Liability, Fair Value Disclosure
Employee-related payables
Employee-Related Payables, Fair Value Disclosure
Employee-Related Payables, Fair Value Disclosure
Other current liabilities
Other Liabilities, Fair Value Disclosure
Financial liabilities
Financial Liabilities Fair Value Disclosure
Total
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative Assets:
Derivative Asset [Abstract]
Included in other current assets
Derivative Asset
Derivative Liabilities:
Derivative Liability [Abstract]
Included in financial liabilities - current portion
Derivative Liability
Schedule of other current assets net book value
Schedule of Other Current Assets [Table Text Block]
Disclosure of share-based compensation by share-based payment award
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Schedule of share-based compensation reconciliation with the Consolidated Statements of Income
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Leases
Lessee, Operating Leases [Text Block]
Commitments and Contingencies Disclosure [Abstract]
Commitments and contingencies
Commitments and Contingencies Disclosure [Text Block]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
R&D
S&O
G&A
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation expense
Issuance of Stock and Warrants for Services or Claims
Issuance of Stock and Warrants for Services or Claims
Total equity awards compensation expense
Share-based Compensation Expense, Employee and Non-Employee
Share-based Compensation Expense, Employee and Non-Employee
CASH FROM OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities [Abstract]
Non-cash and non-operating items
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities
- Amortization and provisions
Depreciation, Depletion, and Amortization and Provisions for Various
Depreciation, Depletion, and Amortization and Provisions for Various
- Equity awards compensation expense
Share-based Payment Arrangement, Noncash Expense
- Change in deferred taxes
- Change in income taxes
Other Noncash Income Tax Expense
- Other
Other Noncash Income (Expense)
Changes in working capital related to operating activities
Increase (Decrease) in Operating Capital
- Decrease in trade receivables
Increase (Decrease) in Accounts Receivable
- Decrease in trade payables
Increase (Decrease) in Accounts Payable, Trade
- Decrease in other current assets
Increase (Decrease) in Other Current Assets
- Increase/(Decrease) in other current liabilities
Increase (Decrease) in Other Current Liabilities
- Change in operating lease liabilities and right of use assets
Increase (Decrease) In Operating Lease Liabilities (Assets)
Increase (Decrease) In Operating Lease Liabilities (Assets)
CASH FROM OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities
CASH USED FOR INVESTING ACTIVITIES
Net Cash Provided by (Used in) Investing Activities [Abstract]
Acquisition of intangible assets, property, plant and equipment
Payments To Acquire Intangible Assets, Property, Plant, And Equipment
Payments To Acquire Intangible Assets, Property, Plant, And Equipment
Change in accounts payable related to intangible assets, property, plant and equipment
Increase (Decrease) in Accounts Payable, Related to Intangible Assets, Property, Plant, and Equipment
Increase (Decrease) in Accounts Payable, Related to Intangible Assets, Property, Plant, and Equipment
(Payment for) disposal of a business, net of cash acquired (disposed)
Payments to Acquire Businesses, Net of Cash Acquired
Change in other non-current financial assets
Payments for (Proceeds from) Change in Other Financial Noncurrent Assets
Payments for (Proceeds from) Change in Other Financial Noncurrent Assets
CASH USED FOR INVESTING ACTIVITIES
Net Cash Provided by (Used in) Investing Activities
CASH FROM (USED FOR) FINANCING ACTIVITIES
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of borrowings
Proceeds from (Repayments of) Debt
Net payments related to equity award activities
Proceeds from Issuance of Common Stock
Change in other financial liabilities
Payments for (Proceeds from) Other Investing Activities
CASH FROM (USED FOR) FINANCING ACTIVITIES
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rates changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Net increase (decrease) in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Net cash and cash equivalents at beginning of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Net cash and cash equivalents at end of period
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Supplemental Cash Flow Information [Abstract]
Cash paid for taxes, net of refunds
Income Taxes Paid, Net
Cash paid for interest, net of amounts capitalized
Interest Paid, Excluding Capitalized Interest, Operating Activities
Breakdown of Revenue and Non-Current Assets by Geographical Areas
Segment Reporting Disclosure [Text Block]
Other current liabilities
Other Current Liabilities [Table Text Block]
Prepayments to suppliers
Prepayments To Suppliers
Prepayments To Suppliers
Other debtors
Other Debtors
Other Debtors
Prepaid expenses
Prepaid Expense, Current
Derivative instruments
Derivative Asset, Current
Gross book value at end of period
Other Assets and Receivables, Gross, Current
Other Assets and Receivables, Gross, Current
Net book value at end of period
Other Assets and Receivables, Current
Other Assets and Receivables, Current
Income Statement [Abstract]
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Cost of revenue:
Cost of Revenue [Abstract]
Traffic acquisition costs
Cost of Goods and Services Sold
Other cost of revenue
Other Cost of Operating Revenue
Gross profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Research and development expenses
Research and Development Expense
Sales and operations expenses
Selling and Marketing Expense
General and administrative expenses
General and Administrative Expense
Total operating expenses
Operating Expenses
Income from operations
Financial income (expense)
Provision for income taxes
Net income
Net income available to shareholders of Criteo S.A.
Net income available to non-controlling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Net income allocated to shareholders of Criteo S.A. per share:
Earnings Per Share, Basic and Diluted [Abstract]
Basic (in USD per share)
Diluted (in USD per share)
Weighted average shares outstanding used in computing per share amounts:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic (in shares)
Diluted (in shares)
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Financial Instruments
Fair Value Disclosures [Text Block]
Germany
GERMANY
United Kingdom
UNITED KINGDOM
Loss Contingencies [Table]
Loss Contingencies [Table]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Provision for employee-related litigation
Provision For Employee Related Litigation [Member]
Provision For Employee Related Litigation [Member]
Other provisions
Other Provisions [Member]
Other Provisions [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Loss Contingency Accrual [Roll Forward]
Loss Contingency Accrual [Roll Forward]
Contingencies accrual, beginning balance
Increase
Loss Contingency Accrual, Provision
Provision used
Loss Contingency Accrual, Provision Used
Loss Contingency Accrual, Provision Used
Provision released not used
Loss Contingency Accrual, Provision Released Not Used
Loss Contingency Accrual, Provision Released Not Used
Currency translation adjustments
Loss Contingency Accrual, Foreign Currency Translation Gain (Loss)
Loss Contingency Accrual, Foreign Currency Translation Gain (Loss)
Contingencies accrual, ending balance
Contingencies accrual, of which current
Loss Contingency, Accrual, Current
Summary of Restructuring Costs
Restructuring and Related Costs [Table Text Block]
Schedule of Restructuring Reserve
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Balance of Treasury Shares
Class of Treasury Stock [Table Text Block]
Other Current Liabilities
Other Liabilities Disclosure [Text Block]
Trade receivables, allowances
Common shares, par value (in Euro per share)
Common Stock, Par or Stated Value Per Share
Common shares authorized (in shares)
Common Stock, Shares Authorized
Common shares issued (in shares)
Common Stock, Shares, Issued
Common shares outstanding (in shares)
Treasury stock (in shares)
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Bank Syndicate RCF
Bank Syndicate RCF [Member]
Bank Syndicate RCF [Member]
HSBC and LCL Facilities
HSBC and LCL Facilities [Member]
HSBC and LCL Facilities [Member]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
RCF
Line of Credit [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Revolving credit facility
Revolving Credit Facility [Member]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Changes in provisions for contingencies
Schedule of Loss Contingencies by Contingency [Table Text Block]
France
FRANCE
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales Revenue, Net
Revenue Benchmark [Member]
Number of geographical markets
Number of Geographical Markets in which Entity Operates
Number of Geographical Markets in which Entity Operates
Concentration risk, percentage
Concentration Risk, Percentage