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Commitments and Contingencies - Schedule of Future Minimum Sublease Income under Non-Cancelable Sublease Agreements (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014
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Commitments And Contingencies Disclosure [Abstract] |
2015 | $ 624 tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueCurrent
2016 | 711 tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInTwoYears
2017 | 535 tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInThreeYears
Future minimum sublease income under non-cancellable sublease agreements | $ 1,870 us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals

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- Definition Operating leases future minimum payments due future minimum sublease rentals due current. + References No definition available. + Details
Name: | tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueCurrent
Namespace Prefix: | tph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Operating leases future minimum payments due future minimum sublease rentals due in three years. + References No definition available. + Details
Name: | tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInThreeYears
Namespace Prefix: | tph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Operating leases future minimum payments due future minimum sublease rentals due in two years. + References No definition available. + Details
Name: | tph_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInTwoYears
Namespace Prefix: | tph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Contractually required future rental payments receivable on noncancelable subleasing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
Name: | us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant