$TREE
LendingTree, Inc. Stock $tree

$tree Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000143462121000002 Filed on March 01, 2021

Income Statement

Concept	2019 Q4	2018 Q4	2018
Revenue	$255.2M	$202.7M	$764.9M
YoY Change	25.91%	25.92%	23.82%
Cost Of Revenue	$16.70M	$13.80M	$36.40M
YoY Change	21.01%	170.59%	111.34%
Gross Profit	$238.5M	$188.9M	$305.1M
YoY Change	26.26%	21.17%	21.38%
Gross Profit Margin	93.46%	93.2%	39.89%
Selling, General & Admin	$195.3M	$156.6M	$601.5M
YoY Change	24.71%	10.44%	19.27%
% of Gross Profit	81.89%	82.9%	197.13%
Research & Development	$9.400M	$8.100M	$26.96M
YoY Change	16.05%	50.0%	50.39%
% of Gross Profit	3.94%	4.29%	8.83%
Depreciation & Amortization	$17.00M	$12.10M	$7.385M
YoY Change	40.5%	108.62%	4.23%
% of Gross Profit	7.13%	6.41%	2.42%
Operating Expenses	$221.8M	$176.7M	$628.5M
YoY Change	25.52%	15.49%	20.34%
Operating Profit	$9.021M	$2.428M	$56.19M
YoY Change	271.54%	-1487.43%	69.59%
Interest Expense	-$4.900M	-$4.100M	$12.44M
YoY Change	19.51%	36.67%	76.96%
% of Operating Profit	-54.32%	-168.86%	22.13%
Other Income/Expense, Net	$400.0K	$100.0K	$0.00
YoY Change	300.0%	-150.0%	-100.0%
Pretax Income	$4.500M	-$1.600M	$43.74M
YoY Change	-381.25%	-51.52%	70.15%
Income Tax	$3.100M	-$2.100M	-$65.58M
% Of Pretax Income	68.89%		-149.91%
Net Earnings	$1.900M	-$3.300M	$96.50M
YoY Change	-157.58%	-57.14%	518.59%
Net Earnings / Revenue	0.74%	-1.63%	12.62%
Basic Earnings Per Share	$0.14	-$0.26	$7.72
Diluted Earnings Per Share	$0.13	-$0.24	$6.85
COMMON SHARES
Basic Shares Outstanding	13.00M shares	12.83M shares	12.50M shares
Diluted Shares Outstanding			14.10M shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$60.20M	$105.1M	$105.1M
YoY Change	-42.72%	-71.49%	-71.49%
Cash & Equivalents	$60.24M	$105.1M	$105.1M
Short-Term Investments
Other Short-Term Assets	$15.70M	$38.00M	$38.00M
YoY Change	-58.68%	136.02%	136.02%
Inventory
Prepaid Expenses
Receivables	$113.5M	$91.07M	$91.10M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$189.4M	$234.2M	$234.2M
YoY Change	-19.11%	-46.54%	-46.53%
LONG-TERM ASSETS
Property, Plant & Equipment	$31.36M	$23.18M	$23.20M
YoY Change	35.33%	-36.39%	-36.26%
Goodwill	$420.1M	$348.3M
YoY Change	20.61%	207.27%
Intangibles	$181.6M	$205.7M
YoY Change	-11.73%	153.56%
Long-Term Investments	$0.00
YoY Change
Other Assets	$4.330M	$2.168M	$84.70M
YoY Change	99.72%	13.51%	245.71%
Total Long-Term Assets	$758.5M	$661.9M	$661.9M
YoY Change	14.59%	159.16%	159.06%
TOTAL ASSETS
Total Short-Term Assets	$189.4M	$234.2M	$234.2M
Total Long-Term Assets	$758.5M	$661.9M	$661.9M
Total Assets	$948.0M	$896.1M	$896.1M
YoY Change	5.79%	29.22%	29.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.900M	$15.10M	$15.10M
YoY Change	-80.79%	62.37%	62.37%
Accrued Expenses	$112.8M	$93.19M	$82.90M
YoY Change	20.99%	20.74%	34.58%
Deferred Revenue	$600.0K	$400.0K
YoY Change	50.0%
Short-Term Debt	$75.00M	$125.0M	$125.0M
YoY Change	-40.0%
Long-Term Debt Due	$75.00M	$125.0M
YoY Change	-40.0%
Total Short-Term Liabilities	$230.7M	$262.0M	$262.0M
YoY Change	-11.93%	77.58%	77.63%
LONG-TERM LIABILITIES
Long-Term Debt	$264.4M	$250.9M	$250.9M
YoY Change	5.36%	5.35%	5.33%
Other Long-Term Liabilities	$4.752M	$8.360M	$36.10M
YoY Change	-43.16%	423.48%	179.84%
Total Long-Term Liabilities	$269.1M	$259.3M	$287.0M
YoY Change	3.79%	8.13%	14.3%
TOTAL LIABILITIES
Total Short-Term Liabilities	$230.7M	$262.0M	$262.0M
Total Long-Term Liabilities	$269.1M	$259.3M	$287.0M
Total Liabilities	$545.6M	$549.9M	$549.9M
YoY Change	-0.78%	37.96%	37.75%
SHAREHOLDERS EQUITY
Retained Earnings	-$592.7M	-$610.5M
YoY Change	-2.92%	-13.82%
Common Stock	$1.178B	$1.134B
YoY Change	3.86%	4.29%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$183.2M	$177.7M
YoY Change	3.08%	108.84%
Treasury Stock Shares	2.641M shares	2.619M shares
Shareholders Equity	$402.3M	$346.2M	$346.2M
YoY Change
Total Liabilities & Shareholders Equity	$948.0M	$896.1M	$896.1M
YoY Change	5.79%	29.22%	29.21%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018
OPERATING ACTIVITIES
Net Income	$1.900M	-$3.300M	$96.50M
YoY Change	-157.58%	-57.14%	518.59%
Depreciation, Depletion And Amortization	$17.00M	$12.10M	$7.385M
YoY Change	40.5%	108.62%	4.23%
Cash From Operating Activities	$45.30M	$57.80M	$110.7M
YoY Change	-21.63%	60.56%	12.16%
INVESTING ACTIVITIES
Capital Expenditures	-$4.800M	-$4.300M	-$14.90M
YoY Change	11.63%	104.76%	86.25%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$298.9M	-$368.1M
YoY Change	-100.0%		454.37%
Cash From Investing Activities	-$4.900M	-$303.2M	-$383.0M
YoY Change	-98.38%	14338.1%	414.59%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$91.49M
YoY Change			399.96%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-30.90M	85.30M	$4.843M
YoY Change	-136.23%	-904.72%	-98.09%
NET CHANGE
Cash From Operating Activities	45.30M	57.80M	110.7M
Cash From Investing Activities	-4.900M	-303.2M	-$383.0M
Cash From Financing Activities	-30.90M	85.30M	$4.843M
Net Change In Cash	9.500M	-160.1M	-$378.2M
YoY Change	-105.93%	-787.12%	-311.65%
FREE CASH FLOW
Cash From Operating Activities	$45.30M	$57.80M	$110.7M
Capital Expenditures	-$4.800M	-$4.300M	-$14.90M
Free Cash Flow	$50.10M	$62.10M	$125.6M
YoY Change	-19.32%	62.99%	17.71%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001434621
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
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CY2020	tree	Defined Contribution Plan Employer Matching Contribution Per Participant Dollar Contributed DefinedContributionPlanEmployerMatchingContributionPerParticipantDollarContributed	0.50	USD
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-34063
CY2020	dei	Entity Registrant Name EntityRegistrantName	LendingTree, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	26-2414818
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	1415 Vantage Park Dr., Suite 700
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Charlotte
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	NC
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	28203
CY2020	dei	Local Phone Number LocalPhoneNumber	541-5351
CY2020	dei	City Area Code CityAreaCode	704
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2020	dei	Trading Symbol TradingSymbol	TREE
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	24436000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	362000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4752000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	824229000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	545643000	USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15766193	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15676819	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13124875	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13035501	shares
CY2020Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	158000	USD
CY2019Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	157000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2217000	USD
CY2018	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	510000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1188673000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1177984000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-640909000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-592654000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2641318	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2641318	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	183161000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	183161000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	364761000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	402326000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1188990000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	947969000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	294874000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	96499000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	44365000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	92606000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	52167000	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	-4000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	346208000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17828000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5470000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-8406000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	-1000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	402326000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-48255000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	53733000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-3910000	USD
CY2020	tree	Adjustmentsto Additional Paidin Capital Entryinto Convertible Note Hedge Transactions AdjustmentstoAdditionalPaidinCapitalEntryintoConvertibleNoteHedgeTransactions	14379000	USD
CY2020	tree	Adjustmentsto Additional Paidin Capital Warrant Transactions AdjustmentstoAdditionalPaidinCapitalWarrantTransactions	33171000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	-1000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	364761000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-48255000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	17828000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	96499000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-25689000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-21632000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-12820000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-22566000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	39460000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	109319000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1160000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	695000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-2210000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	53078000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	55241000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	23468000	USD
CY2020	us-gaap	Depreciation Depreciation	14201000	USD
CY2019	us-gaap	Depreciation Depreciation	10998000	USD
CY2018	us-gaap	Depreciation Depreciation	7385000	USD
CY2020	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	0	USD
CY2019	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	0	USD
CY2018	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	630000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	53733000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	52167000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	44365000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-9628000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8555000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-63901000	USD
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	5327000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28402000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	10788000	USD
CY2020	us-gaap	Other Noncash Expense OtherNoncashExpense	1785000	USD
CY2019	us-gaap	Other Noncash Expense OtherNoncashExpense	1697000	USD
CY2018	us-gaap	Other Noncash Expense OtherNoncashExpense	880000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3474000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1974000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1776000	USD
CY2020	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2985000	USD
CY2019	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	333000	USD
CY2018	us-gaap	Write Off Of Deferred Debt Issuance Cost WriteOffOfDeferredDebtIssuanceCost	0	USD
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	19570000	USD
CY2019	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	12016000	USD
CY2018	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	11397000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt Before Write Off Of Deferred Debt Issuance Cost GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost	-7768000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt Before Write Off Of Deferred Debt Issuance Cost GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt Before Write Off Of Deferred Debt Issuance Cost GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost	0	USD
CY2020	tree	Ro Uassetamortizationoffsetbychangeinoperatingleaseliabilities ROUassetamortizationoffsetbychangeinoperatingleaseliabilities	8888000	USD
CY2019	tree	Ro Uassetamortizationoffsetbychangeinoperatingleaseliabilities ROUassetamortizationoffsetbychangeinoperatingleaseliabilities	213000	USD
CY2018	tree	Ro Uassetamortizationoffsetbychangeinoperatingleaseliabilities ROUassetamortizationoffsetbychangeinoperatingleaseliabilities	0	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-21861000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22457000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16820000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	952000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3258000	USD
CY2020	tree	Increase Decrease In Accounts Payable And Other Current Liabilities IncreaseDecreaseInAccountsPayableAndOtherCurrentLiabilities	-8013000	USD
CY2019	tree	Increase Decrease In Accounts Payable And Other Current Liabilities IncreaseDecreaseInAccountsPayableAndOtherCurrentLiabilities	-2322000	USD
CY2018	tree	Increase Decrease In Accounts Payable And Other Current Liabilities IncreaseDecreaseInAccountsPayableAndOtherCurrentLiabilities	14270000	USD
CY2020	tree	Contingent Consideration Payment ContingentConsiderationPayment	25787000	USD
CY2019	tree	Contingent Consideration Payment ContingentConsiderationPayment	12500000	USD
CY2018	tree	Contingent Consideration Payment ContingentConsiderationPayment	21912000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-10598000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	4548000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	3669000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2002000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	88000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	591000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	111299000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	157174000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	123948000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	42149000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	20041000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	14907000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	24077000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	80000000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-122149000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-101060000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-383038000	USD
CY2020	tree	Proceeds Payments Related To Net Share Settlement Of Stock Based Compensation Net ProceedsPaymentsRelatedToNetShareSettlementOfStockBasedCompensationNet	-3910000	USD
CY2019	tree	Proceeds Payments Related To Net Share Settlement Of Stock Based Compensation Net ProceedsPaymentsRelatedToNetShareSettlementOfStockBasedCompensationNet	-8406000	USD
CY2018	tree	Proceeds Payments Related To Net Share Settlement Of Stock Based Compensation Net ProceedsPaymentsRelatedToNetShareSettlementOfStockBasedCompensationNet	2217000	USD
CY2020	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	575000000	USD
CY2019	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	USD
CY2018	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	USD
CY2020	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	233862000	USD
CY2019	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	USD
CY2018	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	USD
CY2020	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	124200000	USD
CY2019	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2018	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2020	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	109881000	USD
CY2019	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	0	USD
CY2018	us-gaap	Proceeds From Hedge Financing Activities ProceedsFromHedgeFinancingActivities	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	61180000	USD
CY2019	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	0	USD
CY2020	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	94292000	USD
CY2019	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0	USD
CY2018	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0	USD
CY2020	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	-75000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	-50000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	125000000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	16568000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2518000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	583000	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	4755000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	21275000	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	27588000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5470000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	93704000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	499000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-184000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-9000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	193290000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-87678000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4843000	USD
CY2020	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	182440000	USD
CY2019	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-31564000	USD
CY2018	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-254247000	USD
CY2020	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-72730000	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-13255000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-13236000	USD
CY2020	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-72730000	USD
CY2019	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-13255000	USD
CY2018	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-13236000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	109710000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-44819000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-267483000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60339000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105158000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	372641000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170049000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60339000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105158000	USD
CY2020	tree	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	4196000	USD
CY2019	tree	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	-946000	USD
CY2018	tree	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	949000	USD
CY2020	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2019	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	1111000	USD
CY2018	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	4741000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	7005000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3593000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	561000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	25000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	541000	USD
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	60000	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	4743000	USD
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	5678000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1466000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1143000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	675000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1785000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1697000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	880000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1859000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1400000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	435000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	10000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	26000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	23000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1402000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1466000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1143000	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2020	us-gaap	Advertising Expense AdvertisingExpense	567700000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	688200000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	20156000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-708354000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	469900000	USD
CY2018Q1	tree	Changein Accounting Estimate Amount ChangeinAccountingEstimateAmount	1000000.0	USD
CY2018	tree	Provisionalestimateforremeasurementofdeferredtaxassetsandliabilitiesfrom Tax Cutsand Jobs Act ProvisionalestimateforremeasurementofdeferredtaxassetsandliabilitiesfromTaxCutsandJobsAct	9100000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Accounting Estimates</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Management is required to make certain estimates and assumptions during the preparation of the consolidated financial statements in accordance with GAAP. These estimates and assumptions impact the reported amount of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the consolidated financial statements. They also impact the reported amount of net earnings during any period. Actual results could differ from those estimates. </span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Significant estimates underlying the accompanying consolidated financial statements, including discontinued operations, include: the recoverability of long-lived assets, goodwill and intangible assets; the determination of income taxes payable and deferred income taxes, including related valuation allowances; fair value of assets acquired in a business combination; contingent consideration related to business combinations; litigation accruals; HLC ownership related claims; contract assets; various other allowances, reserves and accruals; assumptions related to the determination of stock-based compensation; and the determination of right-of-use assets and lease liabilities. </span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company considered the impact of the COVID-19 pandemic on the assumptions and estimates used when preparing its financial statements including, but not limited to, the allowance for doubtful accounts, valuation allowances, contract asset and contingent consideration. These assumptions and estimates may change as new events occur and additional information is obtained. If economic conditions caused by the COVID-19 pandemic do not recover as currently estimated by management, such future changes may have an adverse impact on the Company's results of operations, financial position and liquidity.</span></div>
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:6pt;margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Certain Risks and Concentrations</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">LendingTree's business is subject to certain risks and concentrations including dependence on third-party technology providers, exposure to risks associated with online commerce security and credit card fraud.</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments, which potentially subject the Company to concentration of credit risk at December 31, 2020, consist primarily of cash and cash equivalents and accounts receivable, as disclosed in the consolidated balance sheet. Cash and cash equivalents are in excess of Federal Deposit Insurance Corporation insurance limits, but are maintained with quality financial institutions of high credit. The Company requires certain Network Partners to maintain security deposits with the Company, which in the event of non-payment, would be applied against any accounts receivable outstanding.</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Due to the nature of the mortgage lending industry, interest rate fluctuations may negatively impact future revenue from the Company's marketplace.</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For the years ended December 31, 2020 and 2019, one network partner accounted for 15% and 12%, respectively, of total consolidated revenue, all of which was recorded within the Insurance segment. No Network Partners accounted for more than 10% of total consolidated revenue for the year ended December 31, 2018.</span></div><div style="margin-bottom:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Lenders and lead purchasers participating on the Company's marketplace can offer their products directly to consumers through brokers, mass marketing campaigns or through other traditional methods of credit distribution. These lenders and lead purchasers can also offer their products online, either directly to prospective borrowers, through one or more online competitors, or both. If a significant number of potential consumers are able to obtain loans and other products from Network Partners without utilizing the Company's services, the Company's ability to generate revenue may be limited. Because the Company does not have exclusive relationships with the Network Partners whose loans and other financial products are offered on its online marketplace, consumers may obtain offers from these Network Partners without using its service.</span></div>Other than a support services office in India, the Company's operations are geographically limited to and dependent upon the economic condition of the United States.
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11881000	USD
CY2020	us-gaap	Revenues Revenues	909990000	USD
CY2019	us-gaap	Revenues Revenues	1106603000	USD
CY2018	us-gaap	Revenues Revenues	764865000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	6400000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	6500000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	700000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	600000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	600000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	400000	USD
CY2020	us-gaap	Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	300000	USD
CY2019	us-gaap	Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	4400000	USD
CY2018	us-gaap	Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	700000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	169932000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	60243000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	117000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	96000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170049000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60339000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	82619000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	49342000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20238000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	17979000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	62381000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	31363000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	24800000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	19900000	USD
CY2020	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	11100000	USD
CY2019	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	8600000	USD
CY2018	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	6100000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	100000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	100000	USD
CY2020	us-gaap	Hosting Arrangement Service Contract Implementation Cost Expense Amortization HostingArrangementServiceContractImplementationCostExpenseAmortization	200000	USD
CY2018Q4	us-gaap	Goodwill Gross GoodwillGross	831435000	USD
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	483088000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	348347000	USD
CY2019Q4	us-gaap	Goodwill Gross GoodwillGross	903227000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	483088000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	420139000	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	USD
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	903227000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	483088000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	420139000	USD
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	10142000	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	10142000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	118360000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	171438000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	128502000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	181580000	USD
CY2019Q3	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	225400000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	107040000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	118360000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	261705000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	90267000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	171438000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	42738000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	25256000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	8602000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6747000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	6259000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	28758000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	118360000	USD
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	5327000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28402000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	10788000	USD
CY2018Q4	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2019	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1107118000	USD
CY2018	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	934209000	USD
CY2019	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	39173000	USD
CY2018	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	104153000	USD
CY2019	tree	Business Combination Contingent Consideration Arrangements After Tax Contingent Consideration Expense BusinessCombinationContingentConsiderationArrangementsAfterTaxContingentConsiderationExpense	21500000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	600000	USD
CY2018	tree	Business Combination Contingent Consideration Arrangements After Tax Contingent Consideration Expense BusinessCombinationContingentConsiderationArrangementsAfterTaxContingentConsiderationExpense	7200000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	6900000	USD
CY2020Q4	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	54045000	USD
CY2019Q4	us-gaap	Accrued Advertising Current AccruedAdvertisingCurrent	65836000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	14081000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	10540000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1869000	USD
CY2019Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1560000	USD
CY2020Q4	tree	Customer Deposits And Escrows Current CustomerDepositsAndEscrowsCurrent	8153000	USD
CY2019Q4	tree	Customer Deposits And Escrows Current CustomerDepositsAndEscrowsCurrent	6920000	USD
CY2020Q4	tree	Charitable Contribution Accrual Current CharitableContributionAccrualCurrent	3333000	USD
CY2019Q4	tree	Charitable Contribution Accrual Current CharitableContributionAccrualCurrent	3333000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5375000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6885000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	14340000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	17681000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	101196000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	112755000	USD
CY2020	tree	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	1	renewalOption
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	84100000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	97700000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25500000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	28200000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	11226000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	6346000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	59000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	86000	USD
CY2020	us-gaap	Lease Cost LeaseCost	11285000	USD
CY2019	us-gaap	Lease Cost LeaseCost	6432000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P13Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.050
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.047
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	2359000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	6779000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	66881000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	21969000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9147000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12823000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	12617000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	10973000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9336000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	96062000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	150958000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	44959000	USD
CY2020	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	8261000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	97738000	USD
CY2018	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	3400000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	300000	USD
CY2018	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	900000	USD
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CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	12834000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	12504000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	747000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1043000	shares
CY2020	tree	Share Based Compensation Arrangement By Share Based Payment Award Number Of Active Plans ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfActivePlans	2	plan
CY2020	tree	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	0	shares
CY2019	tree	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	167000	shares
CY2018	tree	Incremental Common Shares Attributable To Restricted Stock Units IncrementalCommonSharesAttributableToRestrictedStockUnits	153000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	871000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	397000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13007000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	14619000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	14097000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000	shares
CY2018Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000.0	USD
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	150000000.0	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	22731	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	379449	shares
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5500000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	92600000	USD
CY2020Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	179700000	USD
CY2020	tree	Share Based Compensation Arrangements By Share Based Payment Award Options Expiration Term ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationTerm	P10Y
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	53733000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52167000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	44365000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	11400000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12200000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	11200000	USD
CY2020	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	2500000	USD
CY2019	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	17100000	USD
CY2018	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	77600000	USD
CY2020Q4	us-gaap	Share Price SharePrice	273.79
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7700000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	700000	USD
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CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	5800000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	6900000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	11400000	USD
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CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	372000	USD
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CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	76000	USD
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CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2302000	USD
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CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-63901000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-19961000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8479000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	3932000	USD
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CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9186000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-3551000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1832000	USD
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CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	3800000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	5794000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2523000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1778000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	988000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	0	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	0	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	163000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2100000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	954000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-12000	USD
CY2020	tree	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsAmount	458000	USD
CY2019	tree	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsAmount	922000	USD
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CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	428000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	310000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	0	USD
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CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-612000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1227000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-19961000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	15805000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	12684000	USD
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CY2020Q4	tree	Deferred Tax Asset Interest Limitation DeferredTaxAssetInterestLimitation	4059000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Contingencies DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies	9366000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	13656000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	6124000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3605000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	446000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	145218000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	112893000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5802000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4102000	USD
CY2020Q4	tree	Gross Deferred Tax Assets Netof Valuation Allowance GrossDeferredTaxAssetsNetofValuationAllowance	139416000	USD
CY2019Q4	tree	Gross Deferred Tax Assets Netof Valuation Allowance GrossDeferredTaxAssetsNetofValuationAllowance	108791000	USD
CY2020Q4	tree	Deferred Tax Liability Operating Lease DeferredTaxLiabilityOperatingLease	21632000	USD
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CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4748000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	653000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1835000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	27300000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13179000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	112116000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	95612000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	96224000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	87664000	USD
CY2020Q4	us-gaap	Deferred Tax Asset Parents Basis In Discontinued Operation DeferredTaxAssetParentsBasisInDiscontinuedOperation	15892000	USD
CY2019Q4	us-gaap	Deferred Tax Asset Parents Basis In Discontinued Operation DeferredTaxAssetParentsBasisInDiscontinuedOperation	7948000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	112116000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	95612000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	5800000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	4100000	USD
CY2018Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	2200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4102000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2229000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2694000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1700000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1873000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-465000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5802000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4102000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2229000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1996000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1127000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	570000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	525000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	47000	USD
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CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2613000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1996000	USD
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CY2019Q4	tree	Unrecognized Tax Benefits Including Interest UnrecognizedTaxBenefitsIncludingInterest	2100000	USD
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CY2020	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	94300000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	75000000.0	USD
CY2019Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.0301
CY2019Q4	tree	Credit Agreement Potential Additional Borrowing Capacity CreditAgreementPotentialAdditionalBorrowingCapacity	185000000.0	USD
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CY2019Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	200000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	200000	USD
CY2019Q4	tree	Ratioof Debtto Ebitda Step Down RatioofDebttoEBITDAStepDown	4.0
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	38837000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	57349000	USD
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	5327000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28402000	USD
CY2019Q4	tree	Ratioof Debtto Ebitda Increase RatioofDebttoEBITDAIncrease	0.5
CY2020Q4	us-gaap	Litigation Reserve LitigationReserve	100000	USD
CY2019Q4	us-gaap	Litigation Reserve LitigationReserve	200000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	33464000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	10788000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements	0	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements	0	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements	19700000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	30542000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	33775000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	49000000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	8249000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	33464000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	38837000	USD
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CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2000000.0	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1400000	USD
CY2013Q4	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	61000000.0	USD
CY2020	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
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CY2018	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
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CY2020	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-33308000	USD
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CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-12820000	USD
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CY2020	us-gaap	Revenues Revenues	909990000	USD
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CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	5327000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	295000	USD
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CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-6603000	USD
CY2020	us-gaap	Interest Expense InterestExpense	36300000	USD
CY2020	us-gaap	Other Income OtherIncome	376000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-42527000	USD
CY2019	us-gaap	Revenues Revenues	1106603000	USD
CY2019	tree	Costof Revenueand Marketing Expense CostofRevenueandMarketingExpense	674285000	USD
CY2019	us-gaap	Gross Profit GrossProfit	432318000	USD
CY2019	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	45624000	USD
CY2019	us-gaap	Other Selling And Marketing Expense OtherSellingAndMarketingExpense	83650000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	116847000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39953000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10998000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	55241000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	28402000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	1026000	USD
CY2019	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	-151000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	50728000	USD
CY2019	us-gaap	Interest Expense InterestExpense	20271000	USD
CY2019	us-gaap	Other Income OtherIncome	524000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30981000	USD
CY2018	us-gaap	Revenues Revenues	764865000	USD
CY2018	tree	Costof Revenueand Marketing Expense CostofRevenueandMarketingExpense	459728000	USD
CY2018	us-gaap	Gross Profit GrossProfit	305137000	USD
CY2018	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	27587000	USD
CY2018	us-gaap	Other Selling And Marketing Expense OtherSellingAndMarketingExpense	49375000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	101219000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26958000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7385000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	23468000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	10788000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	2352000	USD
CY2018	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	-186000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	56191000	USD
CY2018	us-gaap	Interest Expense InterestExpense	12437000	USD
CY2018	us-gaap	Other Income OtherIncome	-10000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	43744000	USD

Files In Submission

Name	View Source	Status
0001434621-21-000002-index-headers.html	Edgar Link	pending
0001434621-21-000002-index.html	Edgar Link	pending
0001434621-21-000002.txt	Edgar Link	pending
0001434621-21-000002-xbrl.zip	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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$TREE
LendingTree, Inc. Stock $tree

2019 Q4 Form 10-K Financial Statement

#000143462121000002 Filed on March 01, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TREE LendingTree, Inc. Stock $tree

2019 Q4 Form 10-K Financial Statement

#000143462121000002 Filed on March 01, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TREE
LendingTree, Inc. Stock $tree