XML 70 R57.htm IDEA: XBRL DOCUMENT
v3.21.1

DEBT - Convertible Note Hedge and Warrant Transactions (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 24, 2020 | May 31, 2017 | Mar. 31, 2021 | Jul. 21, 2020 | May 24, 2017
Debt Instrument [Line Items] |  |  |  |  |
Share price (in dollars per share) |  |  | $ 213.00 |  |
Termination of convertible note hedge on the 0.625% Convertible Senior Notes |  |  | $ 109.9 |  |
Payments for repurchase of warrants |  |  | $ 94.3 |  |
2020 Hedge and Warrants |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Net proceeds from debt used to pay for the cost of the hedge | $ 63.0 |  |  |  |
Payment of convertible note hedge transactions | $ 124.2 |  |  |  |
Number of shares covered by the hedge transactions | 1.2 |  |  |  |
Initial conversion price per share (in dollars per share) | $ 461.19 |  |  |  |
Strike price of warrants sold (in dollars per share) | $ 709.52 |  |  |  |
Premium of warrant strike price over sales price of common stock | 100.00% |  |  |  |
Share price (in dollars per share) |  |  |  | $ 354.76 |
Proceeds from the sale of warrants related to the Convertible Senior Notes | $ 61.2 |  |  |  |
2017 Hedge and Warrants |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Net proceeds from debt used to pay for the cost of the hedge |  | $ 18.1 |  |  |
Payment of convertible note hedge transactions |  | $ 61.5 |  |  |
Number of shares covered by the hedge transactions | 0.8 | 1.4 |  |  |
Initial conversion price per share (in dollars per share) |  | $ 207.63 |  |  |
Strike price of warrants sold (in dollars per share) |  | $ 266.39 |  |  |
Premium of warrant strike price over sales price of common stock |  | 70.00% |  |  |
Share price (in dollars per share) |  |  |  |  | $ 156.70
Proceeds from the sale of warrants related to the Convertible Senior Notes |  | $ 43.4 |  |  |
Proceeds from hedge and warrants | $ 15.6 |  |  |  |

X
- Definition Net proceeds from the Convertible Notes used to pay for the cost of the Convertible Note Hedge + References No definition available. + Details
Name: | tree_NetproceedsfromtheConvertibleNotesusedtopayforthecostoftheConvertibleNoteHedge
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of Shares Covered by the Hedge Transactions + References No definition available. + Details
Name: | tree_NumberofSharesCoveredbytheHedgeTransactions
Namespace Prefix: | tree_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Premium of warrant strike price over sales price of common stock + References No definition available. + Details
Name: | tree_Premiumofwarrantstrikepriceoversalespriceofcommonstock
Namespace Prefix: | tree_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proceeds from Hedge and Warrants + References No definition available. + Details
Name: | tree_ProceedsfromHedgeandWarrants
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3581-108585 + Details
Name: | us-gaap_PaymentsForHedgeFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3581-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromHedgeFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tree_A2020WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tree_A2017WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |