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COMMITMENTS (Details) $ in Thousands | Dec. 31, 2021 USD ($)
--- | ---
Minimum |
Commitment |
Other commitments | $ 200
Maximum |
Commitment |
Other commitments | 5,200
Surety bond |
Commitment |
Total Amounts Committed | 5,177
Less Than 1 year | 5,152
1-3 years | 25
3-5 years | 0
More Than 5 years | $ 0

X
- Definition Represents the amount of commitment expiration after the fifth year of the balance sheet date related to performance and completion of contracts. + References No definition available. + Details
Name: | tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractDueAfterFifthYear
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of commitment expiration within the three and fifth year after the balance sheet date related to performance and completion of contracts. + References No definition available. + Details
Name: | tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractDueWithinThreeAndFifthYear
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of commitment expiration within the second and third year after the balance sheet date related to performance and completion of contracts. + References No definition available. + Details
Name: | tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractsDueWithinSecondAndThirdYear
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of commitment expiration in the first year after the balance sheet date related to performance and completion of contracts. + References No definition available. + Details
Name: | tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractsWithinOneYear
Namespace Prefix: | tree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_GuaranteeObligationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_SuretyBondMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |