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Investments in Unconsolidated Entities - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2014 Investment
Schedule of Equity Method Investments [Line Items] |
Number of equity investments | 6 tph_NumberOfEquityInvestments
Minimum [Member] |
Schedule of Equity Method Investments [Line Items] |
Ownership percentage | 7.00%tph_InvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum [Member] |
Schedule of Equity Method Investments [Line Items] |
Ownership percentage | 55.00%tph_InvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember

X
- Definition Investment ownership percentage. + References No definition available. + Details
Name: | tph_InvestmentOwnershipPercentage
Namespace Prefix: | tph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of equity investments. + References No definition available. + Details
Name: | tph_NumberOfEquityInvestments
Namespace Prefix: | tph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |