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v3.25.4

RELATED PARTY TRANSACTIONS (Details) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2022 USD ($)
Related Party Transactions [Abstract] |
Additional approved value | $ 0.5

X
- Definition Charitable Contribution, Additional Approved Value + References No definition available. + Details
Name: | tree_CharitableContributionAdditionalApprovedValue
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration