$CRTO
Criteo S.A. Stock $crto

$crto Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-K Financial Statement

#000157642722000009 Filed on February 25, 2022

Income Statement

Concept	2021 Q1	2021	2020 Q4
Revenue	$541.1M	$2.254B	$661.3M
YoY Change	7.49%	8.76%	1.32%
Cost Of Revenue	$327.7M	$1.472B	$442.8M
YoY Change	10.19%	6.33%	6.01%
Gross Profit	$178.7M	$781.9M	$218.5M
YoY Change	3.77%	13.65%	-7.0%
Gross Profit Margin	33.03%	34.69%	33.04%
Selling, General & Admin	$112.8M	$478.3M	$109.6M
YoY Change	1.71%	7.07%	-3.97%
% of Gross Profit	63.11%	61.16%	50.17%
Research & Development	$31.70M	$151.8M	$30.34M
YoY Change	-15.51%	14.57%	-9.29%
% of Gross Profit	17.74%	19.42%	13.89%
Depreciation & Amortization	$17.23M	$65.84M	$26.96M
YoY Change	-36.31%	4.01%	-32.14%
% of Gross Profit	9.64%	8.42%	12.34%
Operating Expenses	$144.5M	$630.1M	$146.7M
YoY Change	-2.64%	8.78%	-11.28%
Operating Profit	$34.22M	$151.9M	$71.74M
YoY Change	43.77%	39.56%	3.17%
Interest Expense	$540.0K	$2.271M	-$86.00K
YoY Change	25.0%	-19.21%	-94.24%
% of Operating Profit	1.58%	1.5%	-0.12%
Other Income/Expense, Net	-$700.0K	$1.900M	-$25.00K
YoY Change	109.58%	-200.0%	-10.71%
Pretax Income	$33.50M	$153.8M	$67.07M
YoY Change	42.75%	43.91%	16.94%
Income Tax	$10.05M	$16.17M	$20.25M
% Of Pretax Income	30.0%	10.51%	30.2%
Net Earnings	$22.41M	$134.5M	$45.28M
YoY Change	44.94%	87.58%	7.74%
Net Earnings / Revenue	4.14%	5.96%	6.85%
Basic Earnings Per Share	$0.37	$2.21
Diluted Earnings Per Share	$0.35	$2.09	$726.3K
COMMON SHARES
Basic Shares Outstanding	60.74M shares	60.72M shares	60.24M shares
Diluted Shares Outstanding	64.08M shares	64.23M shares

Balance Sheet

Concept	2021 Q1	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$537.6M	$565.8M	$529.8M
YoY Change	23.17%	15.95%	26.52%
Cash & Equivalents	$520.1M	$378.3M	$488.0M
Short-Term Investments	$17.59M	$50.30M	$41.81M
Other Short-Term Assets	$22.49M	$24.92M	$21.41M
YoY Change	13.42%	61.84%	24.27%
Inventory
Prepaid Expenses	$14.41M		$9.801M
Receivables	$416.9M	$582.0M	$474.1M
Other Receivables	$86.17M	$91.43M	$87.07M
Total Short-Term Assets	$1.059B	$1.264B	$1.065B
YoY Change	16.53%	18.75%	6.41%
LONG-TERM ASSETS
Property, Plant & Equipment	$168.0M	$260.2M	$189.5M
YoY Change	-7.6%	-14.26%	-2.4%
Goodwill	$322.8M		$325.8M
YoY Change	2.4%		2.75%
Intangibles	$79.44M		$79.74M
YoY Change	-0.47%		-8.22%
Long-Term Investments	$43.07M	$11.44M	$59.92M
YoY Change	111.4%	-80.91%	175.52%
Other Assets	$13.51M	$35.44M	$19.88M
YoY Change	-54.13%	78.11%	-28.98%
Total Long-Term Assets	$723.1M	$719.4M	$788.9M
YoY Change	-5.68%	-8.8%	-0.13%
TOTAL ASSETS
Total Short-Term Assets	$1.059B	$1.264B	$1.065B
Total Long-Term Assets	$723.1M	$719.4M	$788.9M
Total Assets	$1.783B	$1.984B	$1.853B
YoY Change	6.37%	7.02%	3.52%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$349.6M	$434.8M	$371.7M
YoY Change	14.94%	16.96%	-5.81%
Accrued Expenses	$116.0M	$132.2M	$133.7M
YoY Change	-3.81%	-1.12%	10.8%
Deferred Revenue	$988.0K		$84.00K
YoY Change	431.18%		-63.0%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.114M	$642.0K	$2.889M
YoY Change	-8.21%	-77.86%	-20.54%
Total Short-Term Liabilities	$557.1M	$672.5M	$600.3M
YoY Change	7.75%	12.04%	-1.64%
LONG-TERM LIABILITIES
Long-Term Debt	$371.0K	$360.0K	$386.0K
YoY Change	-33.15%	-10.0%	-49.8%
Other Long-Term Liabilities	$9.807M	$109.3M	$5.535M
YoY Change	261.22%	15.43%	-0.14%
Total Long-Term Liabilities	$81.74M	$109.7M	$100.4M
YoY Change	-38.18%	15.32%	-29.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$557.1M	$672.5M	$600.3M
Total Long-Term Liabilities	$81.74M	$109.7M	$100.4M
Total Liabilities	$638.9M	$820.5M	$700.7M
YoY Change	-1.6%	11.43%	-6.87%
SHAREHOLDERS EQUITY
Retained Earnings	$510.5M		$491.4M
YoY Change	13.33%		8.77%
Common Stock	$704.2M		$695.3M
YoY Change	3.76%		3.7%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$87.26M		$85.57M
YoY Change	9.31%		14.25%
Treasury Stock Shares	5.598M shares		5.633M shares
Shareholders Equity	$1.110B	$1.163B	$1.117B
YoY Change
Total Liabilities & Shareholders Equity	$1.783B	$1.984B	$1.853B
YoY Change	6.37%	7.02%	3.52%

Cashflow Statement

Concept	2021 Q1	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$22.41M	$134.5M	$45.28M
YoY Change	44.94%	87.58%	7.74%
Depreciation, Depletion And Amortization	$17.23M	$65.84M	$26.96M
YoY Change	-36.31%	4.01%	-32.14%
Cash From Operating Activities	$77.36M	$220.9M	$44.08M
YoY Change	36.34%	19.18%	-25.74%
INVESTING ACTIVITIES
Capital Expenditures	-$13.78M	-$54.98M	-$10.25M
YoY Change	17.41%	-18.3%	-41.5%
Acquisitions		$10.42M
YoY Change
Other Investing Activities	-$3.252M	-$21.38M	-$27.04M
YoY Change	-465.8%	-36.73%	158982.35%
Cash From Investing Activities	-$17.03M	-$76.37M	-$37.29M
YoY Change	57.01%	-24.46%	112.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$2.856M	$74.83M
YoY Change	-84.34%	78.48%
Debt Paid & Issued, Net	$182.0K	$1.249M
YoY Change		-99.25%
Cash From Financing Activities	-$3.416M	-$80.12M	-169.5M
YoY Change	-81.79%	38.74%	318.81%
NET CHANGE
Cash From Operating Activities	$77.36M	$220.9M	44.08M
Cash From Investing Activities	-$17.03M	-$76.37M	-37.29M
Cash From Financing Activities	-$3.416M	-$80.12M	-169.5M
Net Change In Cash	$32.05M	$27.52M	-162.7M
YoY Change	80.63%	-60.26%	-12162.19%
FREE CASH FLOW
Cash From Operating Activities	$77.36M	$220.9M	$44.08M
Capital Expenditures	-$13.78M	-$54.98M	-$10.25M
Free Cash Flow	$91.14M	$275.9M	$54.33M
YoY Change	33.09%	9.2%	-29.33%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001576427
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-36153
CY2021	dei	Entity Registrant Name EntityRegistrantName	Criteo S.A.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	I0
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	32 Rue Blanche
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75009
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Paris
CY2021	dei	Entity Address Country EntityAddressCountry	FR
CY2021	dei	Country Region CountryRegion	33
CY2021	dei	City Area Code CityAreaCode	40
CY2021	dei	Local Phone Number LocalPhoneNumber	40 22 90
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	2716000000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	60757635	shares
CY2021	dei	Auditor Firm AuditorFirmId	1756
CY2021	dei	Auditor Name AuditorName	Deloitte & Associés
CY2021	dei	Auditor Location AuditorLocation	Paris-La Défense, France
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	515527000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	488011000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45400000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	39900000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	581988000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	474055000	USD
CY2021Q4	crto	Prepaid Income Taxes PrepaidIncomeTaxes	8784000	USD
CY2020Q4	crto	Prepaid Income Taxes PrepaidIncomeTaxes	11092000	USD
CY2021Q4	crto	Prepaid Other Taxesand Other Taxes Receivable PrepaidOtherTaxesandOtherTaxesReceivable	73388000	USD
CY2020Q4	crto	Prepaid Other Taxesand Other Taxes Receivable PrepaidOtherTaxesandOtherTaxesReceivable	69987000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	34182000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	21405000	USD
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	50299000	USD
CY2020Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	0	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1264168000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1064550000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	139961000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	19876000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	189505000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	82627000	USD
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CY2021Q4	us-gaap	Goodwill Goodwill	329699000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	325805000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	120257000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	114012000	USD
CY2021Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	5000000	USD
CY2020Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	41809000	USD
CY2021Q4	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	6436000	USD
CY2020Q4	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	18109000	USD
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	35443000	USD
CY2021Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	719423000	USD
CY2020Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	788860000	USD
CY2021Q4	us-gaap	Assets Assets	1983591000	USD
CY2020Q4	us-gaap	Assets Assets	1853410000	USD
CY2021Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	430245000	USD
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CY2021Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	3059000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	2250000	USD
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	6641000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2626000	USD
CY2021Q4	crto	Financial Liabilities Current FinancialLiabilitiesCurrent	642000	USD
CY2020Q4	crto	Financial Liabilities Current FinancialLiabilitiesCurrent	2889000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	34066000	USD
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CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	98136000	USD
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CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	672548000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	600331000	USD
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CY2020Q4	crto	Financial Liabilities Noncurrent FinancialLiabilitiesNoncurrent	386000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	93893000	USD
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CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5535000	USD
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	112723000	USD
CY2020Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	100392000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	785271000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	700723000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.025
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.025
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	65883347	shares
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CY2021Q4	us-gaap	Common Stock Value CommonStockValue	2149000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	2161000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	5207873	shares
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CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	151877000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	108825000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	141214000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1939000	USD
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CY2021	us-gaap	Profit Loss ProfitLoss	137647000	USD
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	134456000	USD
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CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3191000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3010000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5224000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.21
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.18
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.09
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60717446	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60876480	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64305965	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64231637	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61818593	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65598588	shares
CY2021	us-gaap	Profit Loss ProfitLoss	137647000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	74689000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	95969000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-61406000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	53213000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8070000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-61406000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	53213000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-8070000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1205000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4692000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1211000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1374000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-5214000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	1373000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-169000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-522000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	162000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	77446000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	132594000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	86688000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81302000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	130821000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86353000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-3856000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1773000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	335000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	967891000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	95969000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-9282000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1831000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	58883000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39613000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	-849000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1037988000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	74689000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	57906000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1936000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	43587000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27101000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	3346000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1152687000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	137647000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-60201000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	25473000	USD
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	100043000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	42734000	USD
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	-23000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1198320000	USD
CY2021Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	175000000.0	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2647742	shares
CY2021	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	37.99
CY2021Q1	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	1573696	shares
CY2021Q1	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	1498709	shares
CY2021	us-gaap	Profit Loss ProfitLoss	137647000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	74689000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	95969000	USD
CY2020	crto	Depreciation Depletionand Amortizationand Provisionsfor Various DepreciationDepletionandAmortizationandProvisionsforVarious	106591000	USD
CY2021	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	124879000	USD
CY2020	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	154629000	USD
CY2019	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	126281000	USD
CY2021	crto	Depreciation Depletionand Amortizationand Provisionsfor Various DepreciationDepletionandAmortizationandProvisionsforVarious	90934000	USD
CY2019	crto	Depreciation Depletionand Amortizationand Provisionsfor Various DepreciationDepletionandAmortizationandProvisionsforVarious	97110000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	44528000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	28770000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	40999000	USD
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-1965000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-2714000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-18642000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3720000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15418000	USD
CY2021	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	6043000	USD
CY2020	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	43962000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	10867000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-28015000	USD
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-51000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1967000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-769000	USD
CY2021	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	41613000	USD
CY2019	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-582000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	134950000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3957000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-876000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	82691000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-33314000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-14145000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	19742000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	7188000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-7631000	USD
CY2021	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	33033000	USD
CY2020	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	6261000	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	11390000	USD
CY2021	crto	Increase Decrease In Operating Lease Liabilities Assets IncreaseDecreaseInOperatingLeaseLiabilitiesAssets	-2645000	USD
CY2020	crto	Increase Decrease In Operating Lease Liabilities Assets IncreaseDecreaseInOperatingLeaseLiabilitiesAssets	-5764000	USD
CY2019	crto	Increase Decrease In Operating Lease Liabilities Assets IncreaseDecreaseInOperatingLeaseLiabilitiesAssets	-5170000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	220913000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	185356000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	222832000	USD
CY2021	crto	Payments To Acquire Intangible Assets Property Plant And Equipment PaymentsToAcquireIntangibleAssetsPropertyPlantAndEquipment	54983000	USD
CY2020	crto	Payments To Acquire Intangible Assets Property Plant And Equipment PaymentsToAcquireIntangibleAssetsPropertyPlantAndEquipment	67287000	USD
CY2019	crto	Payments To Acquire Intangible Assets Property Plant And Equipment PaymentsToAcquireIntangibleAssetsPropertyPlantAndEquipment	82716000	USD
CY2021	crto	Increase Decreasein Accounts Payable Relatedto Intangible Assets Property Plantand Equipment IncreaseDecreaseinAccountsPayableRelatedtoIntangibleAssetsPropertyPlantandEquipment	1973000	USD
CY2020	crto	Increase Decreasein Accounts Payable Relatedto Intangible Assets Property Plantand Equipment IncreaseDecreaseinAccountsPayableRelatedtoIntangibleAssetsPropertyPlantandEquipment	1818000	USD
CY2019	crto	Increase Decreasein Accounts Payable Relatedto Intangible Assets Property Plantand Equipment IncreaseDecreaseinAccountsPayableRelatedtoIntangibleAssetsPropertyPlantandEquipment	-15224000	USD
CY2021	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	10419000	USD
CY2020	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	1176000	USD
CY2019	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	4582000	USD
CY2021	crto	Paymentsfor Proceedsfrom Changein Other Financial Noncurrent Assets PaymentsforProceedsfromChangeinOtherFinancialNoncurrentAssets	12938000	USD
CY2020	crto	Paymentsfor Proceedsfrom Changein Other Financial Noncurrent Assets PaymentsforProceedsfromChangeinOtherFinancialNoncurrentAssets	34448000	USD
CY2019	crto	Paymentsfor Proceedsfrom Changein Other Financial Noncurrent Assets PaymentsforProceedsfromChangeinOtherFinancialNoncurrentAssets	1366000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-76367000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-101093000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-103888000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	153188000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1249000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	167344000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1022000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	25196000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1727000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1691000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100027000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	43655000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	58588000	USD
CY2021	crto	Proceedsfrom Paymentsfor Changein Other Financial Liabilities ProceedsfromPaymentsforChangeinOtherFinancialLiabilities	-4037000	USD
CY2020	crto	Proceedsfrom Paymentsfor Changein Other Financial Liabilities ProceedsfromPaymentsforChangeinOtherFinancialLiabilities	-1663000	USD
CY2019	crto	Proceedsfrom Paymentsfor Changein Other Financial Liabilities ProceedsfromPaymentsforChangeinOtherFinancialLiabilities	-1192000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-80117000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-57747000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-59111000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-36913000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	42732000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-5496000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	27516000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	69248000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	54337000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	488011000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	418763000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	364426000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	515527000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	488011000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	418763000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	28767000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	17610000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	52093000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1486000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	2155000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	1403000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	42700000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27100000	USD
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reporting_unit
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reporting_unit
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates </span></div><div style="margin-bottom:3pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of our Consolidated Financial Statements requires the use of estimates, assumptions and judgments that affect the reported amounts of assets, liabilities, and disclosures of contingent assets and liabilities at the date of the consolidated financial statements and the reported amount of revenue and expenses during the period. We base our estimates and assumptions on historical experience and other factors that we believe to be reasonable under the circumstances. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates. </span></div><div style="margin-bottom:3pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">On an on-going basis, management evaluates its estimates, primarily those related to: (1) revenue recognition criteria (2) allowances for credit losses, (3) research tax credits (4) income taxes, including i) recognition of deferred tax assets arising from the subsidiaries projected taxable profit for future years, ii) evaluation of uncertain tax positions associated with our transfer pricing policy and iii) recognition of income tax position in respect with tax reforms recently enacted in countries we operate, (5) assumptions used in valuing acquired assets and assumed liabilities in business combinations, (6) assumptions used in the valuation of goodwill, intangible assets and right of use assets - operating lease, and (7) assumptions used in the valuation model to determine the fair value of share-based compensation plan.</span></div>The spread of COVID-19 and the various attempts to contain it have continued to create volatility, uncertainty and economic disruption to global society, economics, financial markets and business practices and increase the uncertainty associated with these estimates, in particular those related to allowance for credit losses, assumptions used in the valuation of goodwill and estimates relating to income taxes.
CY2021	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Property, Plant and Equipment and Impairment of Long-lived Assets</span></div><div style="margin-bottom:12pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset is impaired or the estimated useful life is no longer appropriate. If indicators of impairment exist and the undiscounted projected cash flows associated with an asset are less than the carrying amount of the asset, an impairment loss is recorded to write the asset down to its estimated fair value. Fair value is estimated based on discounted future cash flows.</span></div>
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div style="margin-bottom:12pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash, cash equivalents and accounts receivable. The Company’s cash and cash equivalents are held and foreign exchange contracts are transacted with major financial institutions that the Company's management has assessed to be of high credit quality. The Company has not experienced any losses in such accounts.</span></div><div style="margin-bottom:12pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company mitigates its credit risk with respect to accounts receivable by performing credit evaluations and monitoring agencies' and advertisers' accounts receivable balances. As of December 31, 2021 and 2020 no customer accounted for 10% or more of accounts receivable. During the years ended December 31, 2021, 2020 and 2019, no single customer represented 10% or more of revenue.</span></div>
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021	us-gaap	Restructuring Charges RestructuringCharges	4500000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	510000	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	4480000	USD
CY2021	us-gaap	Payments For Restructuring PaymentsForRestructuring	4521000	USD
CY2021Q4	us-gaap	Restructuring Reserve RestructuringReserve	469000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2254235000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2072617000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2261516000	USD
CY2021	crto	Gross Profit And Other Costs Of Revenue GrossProfitAndOtherCostsOfRevenue	920795000	USD
CY2020	crto	Gross Profit And Other Costs Of Revenue GrossProfitAndOtherCostsOfRevenue	825046000	USD
CY2019	crto	Gross Profit And Other Costs Of Revenue GrossProfitAndOtherCostsOfRevenue	946569000	USD
CY2021	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	138851000	USD
CY2020	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	137028000	USD
CY2019	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	117533000	USD
CY2021	us-gaap	Gross Profit GrossProfit	781944000	USD
CY2020	us-gaap	Gross Profit GrossProfit	688018000	USD
CY2019	us-gaap	Gross Profit GrossProfit	829036000	USD
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	151817000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	132513000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	172591000	USD
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	325616000	USD
CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	330285000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	375477000	USD
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	152634000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	116395000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	139754000	USD
CY2021	us-gaap	Operating Expenses OperatingExpenses	630067000	USD
CY2020	us-gaap	Operating Expenses OperatingExpenses	579193000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	687822000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	151877000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	108825000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	141214000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1939000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1939000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5749000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	153816000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106886000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	135465000	USD
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	581988000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	474055000	USD
CY2021Q4	crto	Prepaid Other Taxesand Other Taxes Receivable PrepaidOtherTaxesandOtherTaxesReceivable	73388000	USD
CY2020Q4	crto	Prepaid Other Taxesand Other Taxes Receivable PrepaidOtherTaxesandOtherTaxesReceivable	69987000	USD
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	34182000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	21405000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	55299000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	41809000	USD
CY2021Q4	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	6436000	USD
CY2020Q4	us-gaap	Nontrade Receivables Noncurrent NontradeReceivablesNoncurrent	18109000	USD
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	751293000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	625365000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-5500000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-23800000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	55299000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	41809000	USD
CY2021Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	137228000	USD
CY2020Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	162457000	USD
CY2021Q4	us-gaap	Cash Cash	378299000	USD
CY2020Q4	us-gaap	Cash Cash	325554000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	515527000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	488011000	USD
CY2021Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	627379000	USD
CY2020Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	513954000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45391000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	39899000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	581988000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	474055000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	39899000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16068000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	25918000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14433000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	30818000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11072000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	7485000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	11555000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	20811000	USD
CY2021	crto	Accounts Receivable Allowance For Doubtful Accounts Currency Translation Adjustment Increase Decrease AccountsReceivableAllowanceForDoubtfulAccountsCurrencyTranslationAdjustmentIncreaseDecrease	1456000	USD
CY2020	crto	Accounts Receivable Allowance For Doubtful Accounts Currency Translation Adjustment Increase Decrease AccountsReceivableAllowanceForDoubtfulAccountsCurrencyTranslationAdjustmentIncreaseDecrease	-1046000	USD
CY2019	crto	Accounts Receivable Allowance For Doubtful Accounts Currency Translation Adjustment Increase Decrease AccountsReceivableAllowanceForDoubtfulAccountsCurrencyTranslationAdjustmentIncreaseDecrease	111000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45391000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	39899000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16068000	USD
CY2021	us-gaap	Proceeds Accounts Receivable Previously Written Off Recovery ProceedsAccountsReceivablePreviouslyWrittenOffRecovery	2300000	USD
CY2021Q4	crto	Prepayments To Suppliers PrepaymentsToSuppliers	9640000	USD
CY2020Q4	crto	Prepayments To Suppliers PrepaymentsToSuppliers	5613000	USD
CY2021Q4	crto	Other Debtors OtherDebtors	9259000	USD
CY2020Q4	crto	Other Debtors OtherDebtors	5991000	USD
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15283000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	9801000	USD
CY2021Q4	crto	Other Assetsand Receivables Gross Current OtherAssetsandReceivablesGrossCurrent	34182000	USD
CY2020Q4	crto	Other Assetsand Receivables Gross Current OtherAssetsandReceivablesGrossCurrent	21405000	USD
CY2021Q4	crto	Other Assetsand Receivables Current OtherAssetsandReceivablesCurrent	34182000	USD
CY2020Q4	crto	Other Assetsand Receivables Current OtherAssetsandReceivablesCurrent	21405000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	194161000	USD
CY2020	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	52867000	USD
CY2020	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	4313000	USD
CY2020	us-gaap	Depreciation Depreciation	63297000	USD
CY2020	crto	Property Plantand Equipment Changein Scope PropertyPlantandEquipmentChangeinScope	6000	USD
CY2020	crto	Property Plant And Equipment Currency Translation Adjustment Gain Loss PropertyPlantAndEquipmentCurrencyTranslationAdjustmentGainLoss	10081000	USD
CY2020	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	0	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	189505000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	482859000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	293354000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	189505000	USD
CY2021	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	34213000	USD
CY2021	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	9619000	USD
CY2021	us-gaap	Depreciation Depreciation	65836000	USD
CY2021	crto	Property Plantand Equipment Changein Scope PropertyPlantandEquipmentChangeinScope	16000	USD
CY2021	crto	Property Plant And Equipment Currency Translation Adjustment Gain Loss PropertyPlantAndEquipmentCurrencyTranslationAdjustmentGainLoss	-8318000	USD
CY2021	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	0	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	139961000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	374641000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	234680000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	86886000	USD
CY2020	crto	Intangible Assets Acquired IntangibleAssetsAcquired	14415000	USD
CY2020	crto	Intangible Assets Disposed IntangibleAssetsDisposed	0	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	24940000	USD
CY2020	crto	Intangible Assets Change In Consolidation Scope IntangibleAssetsChangeInConsolidationScope	64000	USD
CY2020	crto	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	3319000	USD
CY2020	crto	Intangible Assets Transfers Increase Decrease IntangibleAssetsTransfersIncreaseDecrease	0	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	79744000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	227233000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	147489000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	79744000	USD
CY2021	crto	Intangible Assets Acquired IntangibleAssetsAcquired	20782000	USD
CY2021	crto	Intangible Assets Disposed IntangibleAssetsDisposed	49000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	22566000	USD
CY2021	crto	Intangible Assets Change In Consolidation Scope IntangibleAssetsChangeInConsolidationScope	7901000	USD
CY2021	crto	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	-3185000	USD
CY2021	crto	Intangible Assets Transfers Increase Decrease IntangibleAssetsTransfersIncreaseDecrease	0	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	82627000	USD
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	245500000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	162873000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	28950000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	22290000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	19431000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	8650000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1092000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2214000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	82627000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	317100000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2807000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	5898000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	325805000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	8712000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-4818000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	329699000	USD
	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	1	business
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	USD
CY2021Q4	us-gaap	Security Deposit SecurityDeposit	6000000	USD
CY2019Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	6385000	USD
CY2020	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	1501000	USD
CY2020	crto	Loss Contingency Accrual Provision Used LossContingencyAccrualProvisionUsed	831000	USD
CY2020	crto	Loss Contingency Accrual Provision Released Not Used LossContingencyAccrualProvisionReleasedNotUsed	2240000	USD
CY2020	crto	Loss Contingency Accrual Foreign Currency Translation Gain Loss LossContingencyAccrualForeignCurrencyTranslationGainLoss	111000	USD
CY2020	crto	Loss Contingency Accrual Other Increase Decrease LossContingencyAccrualOtherIncreaseDecrease	-2676000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	2250000	USD
CY2021	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	1977000	USD
CY2021	crto	Loss Contingency Accrual Provision Used LossContingencyAccrualProvisionUsed	557000	USD
CY2021	crto	Loss Contingency Accrual Provision Released Not Used LossContingencyAccrualProvisionReleasedNotUsed	394000	USD
CY2021	crto	Loss Contingency Accrual Foreign Currency Translation Gain Loss LossContingencyAccrualForeignCurrencyTranslationGainLoss	-217000	USD
CY2021Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	3059000	USD
CY2021Q4	us-gaap	Loss Contingency Accrual Carrying Value Current LossContingencyAccrualCarryingValueCurrent	2963000	USD
CY2021Q4	us-gaap	Loss Contingency Accrual Carrying Value Noncurrent LossContingencyAccrualCarryingValueNoncurrent	96000	USD
CY2021Q4	crto	Other Financial Liabilities OtherFinancialLiabilities	1002000	USD
CY2021Q4	crto	Other Financial Liabilities Due In Next Fiscal Year OtherFinancialLiabilitiesDueInNextFiscalYear	265000	USD
CY2021Q4	crto	Other Financial Liabilities Due In Second Year OtherFinancialLiabilitiesDueInSecondYear	45000	USD
CY2021Q4	crto	Other Financial Liabilities Due In Third Year OtherFinancialLiabilitiesDueInThirdYear	376000	USD
CY2021Q4	crto	Other Financial Liabilities Due In Fourth Year OtherFinancialLiabilitiesDueInFourthYear	316000	USD
CY2021Q4	crto	Other Financial Liabilities Due In Fifth Year OtherFinancialLiabilitiesDueInFifthYear		USD
CY2021Q4	crto	Other Financial Liabilities Due In Sixth Year OtherFinancialLiabilitiesDueInSixthYear	0	USD
CY2021Q4	crto	Financial Liabilities FinancialLiabilities	1002000	USD
CY2021Q4	crto	Financial Liabilities Due In Next Fiscal Year FinancialLiabilitiesDueInNextFiscalYear	265000	USD
CY2021Q4	crto	Financial Liabilities Due In Second Year FinancialLiabilitiesDueInSecondYear	45000	USD
CY2021Q4	crto	Financial Liabilities Due In Third Year FinancialLiabilitiesDueInThirdYear	376000	USD
CY2021Q4	crto	Financial Liabilities Due In Fourth Year FinancialLiabilitiesDueInFourthYear	316000	USD
CY2021Q4	crto	Financial Liabilities Due In Fifth Year FinancialLiabilitiesDueInFifthYear	0	USD
CY2021Q4	crto	Financial Liabilities Due In Sixth Year FinancialLiabilitiesDueInSixthYear	0	USD
CY2021Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	9292000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	43653000	USD
CY2021Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	203000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	585000	USD
CY2021Q4	us-gaap	Variable Lease Cost VariableLeaseCost	69000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	644000	USD
CY2021Q4	us-gaap	Sublease Income SubleaseIncome	129000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	838000	USD
CY2021Q4	us-gaap	Lease Cost LeaseCost	9435000	USD
CY2021	us-gaap	Lease Cost LeaseCost	44044000	USD
CY2020Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	13744000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	55033000	USD
CY2020Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	822000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1154000	USD
CY2020Q4	us-gaap	Variable Lease Cost VariableLeaseCost	14000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	444000	USD
CY2020Q4	us-gaap	Sublease Income SubleaseIncome	242000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	756000	USD
CY2020Q4	us-gaap	Lease Cost LeaseCost	14338000	USD
CY2020	us-gaap	Lease Cost LeaseCost	55875000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	36357000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	30536000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	16862000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	13916000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9965000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	26316000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	133952000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5993000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	127959000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	52107000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	61343000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	102162000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	57550000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	113000	USD
CY2021Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	16423000	USD
CY2020Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	12234000	USD
CY2021Q4	us-gaap	Notes Payable Current NotesPayableCurrent	17423000	USD
CY2020Q4	us-gaap	Notes Payable Current NotesPayableCurrent	14433000	USD
CY2021Q4	crto	Accounts Payable Capital Expenditures AccountsPayableCapitalExpenditures	4507000	USD
CY2020Q4	crto	Accounts Payable Capital Expenditures AccountsPayableCapitalExpenditures	4721000	USD
CY2021Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1088000	USD
CY2020Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1918000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	82000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	84000	USD
CY2021Q4	crto	Accounts Payable Accrued Liabilities Employeerelated Payablesand Taxes Payable Current AccountsPayableAccruedLiabilitiesEmployeerelatedPayablesandTaxesPayableCurrent	39523000	USD
CY2020Q4	crto	Accounts Payable Accrued Liabilities Employeerelated Payablesand Taxes Payable Current AccountsPayableAccruedLiabilitiesEmployeerelatedPayablesandTaxesPayableCurrent	33390000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	6167000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	8485000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	5537000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1324000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	2232000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1556000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	51000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	95000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	1543000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	5214000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-1374000	USD
CY2021	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	468000	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-569000	USD
CY2019	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	95000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	5531000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	6167000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	8485000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0140
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.009
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.011
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.050
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.050
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.050
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16165000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16211000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	15686000	USD
CY2019Q4	us-gaap	Shares Outstanding SharesOutstanding	62293508	shares
CY2020	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	231784	shares
CY2020Q4	us-gaap	Deferred Compensation Arrangement With Individual Shares Authorized For Issuance DeferredCompensationArrangementWithIndividualSharesAuthorizedForIssuance	156859	shares
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1728863	shares
CY2020Q4	us-gaap	Shares Outstanding SharesOutstanding	60639570	shares
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	388759	shares
CY2021	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	1573696	shares
CY2021	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	1498709	shares
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2647742	shares
CY2021Q4	us-gaap	Shares Outstanding SharesOutstanding	60675474	shares
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1333440000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1247571000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1314947000	USD
CY2021	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	138851000	USD
CY2020	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	137028000	USD
CY2019	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	117533000	USD
CY2021	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	61119000	USD
CY2020	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	55935000	USD
CY2019	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	44866000	USD
CY2021	us-gaap	Cost Of Revenue CostOfRevenue	1472291000	USD
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	1384599000	USD
CY2019	us-gaap	Cost Of Revenue CostOfRevenue	1432480000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	421552000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	378957000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	436351000	USD
CY2021	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	300503000	USD
CY2020	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	278934000	USD
CY2019	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	306862000	USD
CY2021	us-gaap	Severance Costs1 SeveranceCosts1	7145000	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	5251000	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	12504000	USD
CY2021	crto	Social Charges SocialCharges	90532000	USD
CY2020	crto	Social Charges SocialCharges	75552000	USD
CY2019	crto	Social Charges SocialCharges	76594000	USD
CY2021	crto	Other Social Expense Reversal Of Expense OtherSocialExpenseReversalOfExpense	-4151000	USD
CY2020	crto	Other Social Expense Reversal Of Expense OtherSocialExpenseReversalOfExpense	7091000	USD
CY2019	crto	Other Social Expense Reversal Of Expense OtherSocialExpenseReversalOfExpense	15513000	USD
CY2021	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	44528000	USD
CY2020	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	28771000	USD
CY2019	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	40999000	USD
CY2021	crto	Profit Sharing Expense ProfitSharingExpense	0	USD
CY2020	crto	Profit Sharing Expense ProfitSharingExpense	0	USD
CY2019	crto	Profit Sharing Expense ProfitSharingExpense	92000	USD
CY2021	crto	Research Tax Credit ResearchTaxCredit	17005000	USD
CY2020	crto	Research Tax Credit ResearchTaxCredit	16642000	USD
CY2019	crto	Research Tax Credit ResearchTaxCredit	16213000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	421552000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	378957000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	436351000	USD
CY2021	crto	Sharebased Compensation Arrangementby Sharebased Payment Award Exercise Price Average Percentof Closing Share Pricesforthe Last20 Trading Days SharebasedCompensationArrangementbySharebasedPaymentAwardExercisePriceAveragePercentofClosingSharePricesfortheLast20TradingDays	0.95
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7967602	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	3586098	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	83266	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	1219112	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2712801	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7538521	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2824915	shares
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	223934	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	1478894	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1600759	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	3600	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7056249	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2501397	shares
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1100733	shares
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	1570815	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1015941	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	1988000	USD
CY2019	crto	Effective Income Tax Rate Reconciliation Beat Waiver Election EffectiveIncomeTaxRateReconciliationBEATWaiverElection	15962000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5870157	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7538521	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.09
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1834243	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	24.12
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y2M12D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7056249	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.81
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1607995	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	24.87
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y9M18D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5870157	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.04
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	255294	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	19.78
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y8M12D
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	42733000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27101000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	39613000	USD
CY2021	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	44528000	USD
CY2020	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	28771000	USD
CY2019	crto	Sharebased Compensation Expense Employeeand Non Employee SharebasedCompensationExpenseEmployeeandNonEmployee	40999000	USD
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	634000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1117000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	1528000	USD
CY2021	us-gaap	Interest Expense InterestExpense	2271000	USD
CY2020	us-gaap	Interest Expense InterestExpense	2811000	USD
CY2019	us-gaap	Interest Expense InterestExpense	2383000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	2381000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	1756000	USD
CY2021	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	283000	USD
CY2020	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	430000	USD
CY2019	us-gaap	Debt Related Commitment Fees And Debt Issuance Costs DebtRelatedCommitmentFeesAndDebtIssuanceCosts	627000	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1776000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-150000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-4425000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2369000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-95000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-469000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2983000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1939000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1939000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5749000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1900000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3000000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2400000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-1900000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	34811000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	28477000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	24078000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	16549000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	16379000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8410000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	18262000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	12098000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	15668000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-18642000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3720000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15418000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9574000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4548000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	14109000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-9068000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	8268000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1309000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16169000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32197000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39496000	USD
CY2021	crto	Current Federal Tax Expense Benefit Value Added Taxes CurrentFederalTaxExpenseBenefitValueAddedTaxes	2800000	USD
CY2020	crto	Current Federal Tax Expense Benefit Value Added Taxes CurrentFederalTaxExpenseBenefitValueAddedTaxes	5100000	USD
CY2019	crto	Current Federal Tax Expense Benefit Value Added Taxes CurrentFederalTaxExpenseBenefitValueAddedTaxes	5500000	USD
CY2021	crto	Effective Income Tax Rate Reconciliation Beat Waiver Election EffectiveIncomeTaxRateReconciliationBEATWaiverElection	6560000	USD
CY2020	crto	Effective Income Tax Rate Reconciliation Beat Waiver Election EffectiveIncomeTaxRateReconciliationBEATWaiverElection	18640000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2840
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	153816000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	106886000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	135465000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2840
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3202
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3443
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	43684000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	34225000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	46641000	USD
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	4830000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	5298000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	10851000	USD
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1429000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	11604000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	13432000	USD
CY2021	crto	Effective Income Tax Rate Reconciliation Other Permanent Differences Amount EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesAmount	6476000	USD
CY2020	crto	Effective Income Tax Rate Reconciliation Other Permanent Differences Amount EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesAmount	-8979000	USD
CY2019	crto	Effective Income Tax Rate Reconciliation Other Permanent Differences Amount EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesAmount	7667000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1666000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	6026000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2713000	USD
CY2021	crto	Effective Income Tax Rate Reconciliation Loss Carryforward Recognition Amount EffectiveIncomeTaxRateReconciliationLossCarryforwardRecognitionAmount	10357000	USD
CY2020	crto	Effective Income Tax Rate Reconciliation Loss Carryforward Recognition Amount EffectiveIncomeTaxRateReconciliationLossCarryforwardRecognitionAmount	2511000	USD
CY2019	crto	Effective Income Tax Rate Reconciliation Loss Carryforward Recognition Amount EffectiveIncomeTaxRateReconciliationLossCarryforwardRecognitionAmount	20636000	USD
CY2021	crto	Effective Income Tax Rate Reconciliation Value Added Taxes Amount EffectiveIncomeTaxRateReconciliationValueAddedTaxesAmount	2170000	USD
CY2020	crto	Effective Income Tax Rate Reconciliation Value Added Taxes Amount EffectiveIncomeTaxRateReconciliationValueAddedTaxesAmount	3464000	USD
CY2019	crto	Effective Income Tax Rate Reconciliation Value Added Taxes Amount EffectiveIncomeTaxRateReconciliationValueAddedTaxesAmount	3632000	USD
CY2021	us-gaap	Income Tax Reconciliation Deductions IncomeTaxReconciliationDeductions	25655000	USD
CY2020	us-gaap	Income Tax Reconciliation Deductions IncomeTaxReconciliationDeductions	13402000	USD
CY2019	us-gaap	Income Tax Reconciliation Deductions IncomeTaxReconciliationDeductions	15946000	USD
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	395000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-3963000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-5441000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2511000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-7609000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2323000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16169000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32197000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39496000	USD
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.105
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.301
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.292
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	18713000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3720000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-522000	USD
CY2020	crto	Deferred Tax Asset Liability Activity Acquisition Divestitures And Consolidations Increase Decrease DeferredTaxAssetLiabilityActivityAcquisitionDivestituresAndConsolidationsIncreaseDecrease	-48000	USD
CY2020	crto	Deferred Tax Asset Liability Activity Other Activity Adjustment Increase Decrease DeferredTaxAssetLiabilityActivityOtherActivityAdjustmentIncreaseDecrease	0	USD
CY2020	crto	Deferred Tax Asset Liability Activity Currency Translation Adjustments Gain Loss DeferredTaxAssetLiabilityActivityCurrencyTranslationAdjustmentsGainLoss	156000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	14579000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	14579000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-18642000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-169000	USD
CY2021	crto	Deferred Tax Asset Liability Activity Acquisition Divestitures And Consolidations Increase Decrease DeferredTaxAssetLiabilityActivityAcquisitionDivestituresAndConsolidationsIncreaseDecrease	0	USD
CY2021	crto	Deferred Tax Asset Liability Activity Other Activity Adjustment Increase Decrease DeferredTaxAssetLiabilityActivityOtherActivityAdjustmentIncreaseDecrease	0	USD
CY2021	crto	Deferred Tax Asset Liability Activity Currency Translation Adjustments Gain Loss DeferredTaxAssetLiabilityActivityCurrencyTranslationAdjustmentsGainLoss	-662000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	32390000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	134456000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71679000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	90745000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60717446	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60876480	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64305965	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.21
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.18
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2021	us-gaap	Net Income Loss NetIncomeLoss	134456000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71679000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	90745000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60717446	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60876480	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64305965	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3061807	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	796609	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	978521	shares
CY2021	crto	Incremental Common Shares Attributableto Dilutive Effectof Sharebased Payment Arrangements Options And Bspce IncrementalCommonSharesAttributabletoDilutiveEffectofSharebasedPaymentArrangementsOptionsAndBSPCE	341971	shares
CY2020	crto	Incremental Common Shares Attributableto Dilutive Effectof Sharebased Payment Arrangements Options And Bspce IncrementalCommonSharesAttributabletoDilutiveEffectofSharebasedPaymentArrangementsOptionsAndBSPCE	133177	shares
CY2019	crto	Incremental Common Shares Attributableto Dilutive Effectof Sharebased Payment Arrangements Options And Bspce IncrementalCommonSharesAttributabletoDilutiveEffectofSharebasedPaymentArrangementsOptionsAndBSPCE	279270	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	110413	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	12327	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	34832	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64231637	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61818593	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65598588	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.09
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	312413	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1796763	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1262819	shares
CY2021Q4	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	3	market
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2261516000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2072617000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2254235000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	269249000	USD
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	222588000	USD

Files In Submission

Name	View Source	Status
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0001576427-22-000009-index.html	Edgar Link	pending
0001576427-22-000009.txt	Edgar Link	pending
0001576427-22-000009-xbrl.zip	Edgar Link	pending
criteosa-updatedbylawsxf.htm	Edgar Link	pending
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crto-20211231.htm	Edgar Link	pending
crto-20211231.xsd	Edgar Link	pending
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crto-20211231_def.xml	Edgar Link	unprocessable
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crto-20211231_htm.xml	Edgar Link	completed
crto-20211231_lab.xml	Edgar Link	unprocessable
crto-20211231_pre.xml	Edgar Link	unprocessable
exhibit211subsidiariesfy20.htm	Edgar Link	pending
exhibit231deloitteconsentf.htm	Edgar Link	pending
exhibit311ceocert1.htm	Edgar Link	pending
exhibit312cfocertification1.htm	Edgar Link	pending
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exhibit42-agreementtofurni.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
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$CRTO
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2021 Q1 Form 10-K Financial Statement

#000157642722000009 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CRTO Criteo S.A. Stock $crto

2021 Q1 Form 10-K Financial Statement

#000157642722000009 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CRTO
Criteo S.A. Stock $crto