Name:	tree_AssetPurchaseAgreementAmountHeldInEscrow
Namespace Prefix:	tree_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the percentage of full documentation first liens of original principal amount of loans for which the entity may be obligated to reimburse the purchaser of that loan if and when losses are incurred.

No definition available.

Name:	tree_GuaranteeObligationsMaximumExposurePercentageOfFullDocumentationFirstLiens
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of full documentation second liens of original principal amount of loans for which the entity may be obligated to reimburse the purchaser of that loan if and when losses are incurred.

No definition available.

Name:	tree_GuaranteeObligationsMaximumExposurePercentageOfFullDocumentationSecondLiens
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of limited documentation first liens of original principal amount of loans for which the entity may be obligated to reimburse the purchaser of that loan if and when losses are incurred.

No definition available.

Name:	tree_GuaranteeObligationsMaximumExposurePercentageOfLimitedDocumentationFirstLiens
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of limited documentation second liens of original principal amount of loans for which the entity may be obligated to reimburse the purchaser of that loan if and when losses are incurred.

No definition available.

Name:	tree_GuaranteeObligationsMaximumExposurePercentageOfLimitedDocumentationSecondLiens
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the number of investors to whom loans are guaranteed by the entity.

No definition available.

Name:	tree_GuaranteeObligationsNumberOfInvestorsToWhomLoansGuaranteed
Namespace Prefix:	tree_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the aggregate amount of losses incurred on the sale of loans.

No definition available.

Name:	tree_LossContingenciesAggregateLoanLosses
Namespace Prefix:	tree_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of loans sold by the entity.

No definition available.

Name:	tree_LossContingenciesNumberOfLoansSold
Namespace Prefix:	tree_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of loans sold with losses by the entity.

No definition available.

Name:	tree_LossContingenciesNumberOfLoansSoldWithLosses
Namespace Prefix:	tree_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the original principal balance of loans sold by the entity.

No definition available.

Name:	tree_LossContingenciesOriginalPrincipalBalance
Namespace Prefix:	tree_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the original principal balance of loans sold with losses by the entity.

No definition available.

Name:	tree_LossContingenciesOriginalPrincipalBalanceWithLosses
Namespace Prefix:	tree_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The charge-offs made in the period which reduced loss contingency liabilities.

No definition available.

Name:	tree_LossContingencyAccrualCarryingValueChargeOffs
Namespace Prefix:	tree_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the weighted percentage for estimation of range of loan losses in revised analysis.

No definition available.

Name:	tree_LossContingencyWeightedPercentageForEstimationOfLoanLosses
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the weighted percentage for estimation of range of loan losses on other factor.

No definition available.

Name:	tree_LossContingencyWeightedPercentageOfOtherFactorsForEstimationOfLoanLosses
Namespace Prefix:	tree_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 13

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges.

Name:	us-gaap_LossContingencyAccrualCarryingValueProvision
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LossContingencyAccrualRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The estimated maximum amount of possible loss from the contingency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 14

-Paragraph 3

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Name:	us-gaap_LossContingencyRangeOfPossibleLossMaximum
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The estimated minimum amount of possible loss from the contingency.

Name:	us-gaap_LossContingencyRangeOfPossibleLossMinimum
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

No definition available.