Cash paid to subsidiary.

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Cash retained after payment.

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Debt instrument issue price as percentage of principal amount.

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Loans unpaid balance due payable period.

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Number of escrow account.

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Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Date the debt instrument was offered for sale, in CCYY-MM-DD format.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred.

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No definition available.

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Date the credit facility terminates, in CCYY-MM-DD format.

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The effective interest rate during the reporting period.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Senior Notes and Notes Payable and Other Borrowings - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Jun. 13, 2014 Deposit	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2014
Debt Instrument [Line Items]
Net proceeds offering after debt issuance costs and discounts	$ 861,300,000us-gaap_ProceedsFromIssuanceOfDebt	$ 886,698,000us-gaap_ProceedsFromIssuanceOfDebt
Number of escrow accounts	2tph_NumberOfEscrowAccount
Transaction agreement date		Nov. 03, 2013
Capitalization of deferred finance costs		23,686,000us-gaap_DeferredFinanceCostsNet
Accrued interest		3,059,000
Outstanding balance		260,000,000us-gaap_LineOfCredit
Interest rate on revolving credit facility		2.71%
Available secured revolving credit facility		153,200,000
Outstanding letters of credit		11,800,000
Notes payable and other borrowings		274,677,000us-gaap_NotesAndLoansPayable	834,589,000us-gaap_NotesAndLoansPayable
Debt payable			834,589,000us-gaap_LoansPayable
Interest incurred		41,706,000us-gaap_InterestCostsIncurred	22,674,000us-gaap_InterestCostsIncurred	27,038,000us-gaap_InterestCostsIncurred
Interest capitalized		38,975,000	19,081,000	22,059,000
Notes payable [Member]
Debt Instrument [Line Items]
Amortization of deferred financing costs		2,400,000
Weyerhaeuser [Member]
Debt Instrument [Line Items]
Accrued interest			4,300,000
Debt payable			834,600,000
425 million revolving credit facility [Member]
Debt Instrument [Line Items]
Accrued interest		620,000
Unsecured revolving credit facility					425,000,000
Line of credit facility, maturity date		Jul. 01, 2018
Outstanding balance		75,000,000
425 million revolving credit facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate		2.15%
425 million revolving credit facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate		2.85%
TRI Pointe [Member]
Debt Instrument [Line Items]
Cash retained by the Company		117,600,000
WRECO Transaction [Member]
Debt Instrument [Line Items]
Cash payment to be made subject to adjustment	743,700,000
Transaction Agreement [Member] \| WRECO Transaction [Member]
Debt Instrument [Line Items]
Cash payment to be made subject to adjustment	739,000,000
Unpaid Interest [Member] \| WRECO Transaction [Member]
Debt Instrument [Line Items]
Cash retained by the Company	4,700,000
4.375% Senior notes due 2019 [Member]
Debt Instrument [Line Items]
Notes issue price as a percentage of principal amount		98.89%
Maturity date of senior note		Jun. 15, 2019	Jun. 15, 2019
Interest rate on seller financed loan		4.375%	4.375%
5.875% Senior notes due 2024 [Member]
Debt Instrument [Line Items]
Notes issue price as a percentage of principal amount		98.15%
Maturity date of senior note		Jun. 15, 2024	Jun. 15, 2024
Interest rate on seller financed loan		5.875%	5.875%
Senior Notes [Member]
Debt Instrument [Line Items]
Principal payment on Senior Notes		0
Capitalization of deferred finance costs		23,700,000
Accrued interest		1,900,000
Seller financed loan [Member]
Debt Instrument [Line Items]
Accrued interest		517,000
Remaining unpaid balance due date		2016-05
Notes payable and other borrowings		$ 14,677,000
Interest rate on seller financed loan		6.96%
Revolving promissory note [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate		1.70%