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COMMITMENTS (Details - Surety Bonds) (Surety bond, USD $) In Thousands, unless otherwise specified | Dec. 31, 2014
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Surety bond |
Commitment |
Total Amounts Committed | $ 4,648 us-gaap_GuaranteeObligationsMaximumExposure / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_SuretyBondMember
Less Than 1 year | 4,648 tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractsWithinOneYear / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_SuretyBondMember
1-3 years | 0 tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractsDueWithinSecondAndThirdYear / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_SuretyBondMember
3-5 years | 0 tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractDueWithinThreeAndFifthYear / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_SuretyBondMember
More Than 5 years | $ 0 tree_CommitmentExpirationRelatedToPerformanceAndCompletionOfContractDueAfterFifthYear / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_SuretyBondMember

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