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Investments in Unconsolidated Entities - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014 Investment
Schedule of Equity Method Investments [Line Items]
Number of equity investments	6tph_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: