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Merger with Weyerhaeuser Real Estate Company - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Jun. 13, 2014 Deposit	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Common stock, shares issued		161,355,490us-gaap_CommonStockSharesIssued	129,700,000us-gaap_CommonStockSharesIssued
Amount of adjustment based on transaction agreement		$ 31,500,000tph_AmountOfAdjustmentBasedOnTransactionAgreement
Net proceeds offering	861,300,000us-gaap_ProceedsFromIssuanceOfDebt	886,698,000us-gaap_ProceedsFromIssuanceOfDebt
Number of escrow accounts	2tph_NumberOfEscrowAccount
Transaction agreement date		Nov. 03, 2013
Transaction costs directly related to Merger		17,960,000us-gaap_BusinessCombinationIntegrationRelatedCosts
Trade names [Member]
Business Acquisition [Line Items]
Acquisition related to trade names		17,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
4.375% Senior notes due 2019 [Member]
Business Acquisition [Line Items]
Aggregate principal amount		450,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = tph_FourPointThreeSevenFivePercentSeniorNotesDueTwoThousandNineteenMember
Interest rate on senior note		4.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = tph_FourPointThreeSevenFivePercentSeniorNotesDueTwoThousandNineteenMember	4.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = tph_FourPointThreeSevenFivePercentSeniorNotesDueTwoThousandNineteenMember
Debt instrument, maturity year		2019
5.875% Senior notes due 2024 [Member]
Business Acquisition [Line Items]
Aggregate principal amount		450,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = tph_FivePointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyFourMember
Interest rate on senior note		5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = tph_FivePointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyFourMember	5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = tph_FivePointEightSevenFivePercentSeniorNotesDueTwoThousandTwentyFourMember
Debt instrument, maturity year		2024
WRECO Transaction [Member]
Business Acquisition [Line Items]
Common stock, shares issued			100,000,000us-gaap_CommonStockSharesIssued / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember
Cash payment to former direct parent	743,700,000tph_CashPaidToFormerDirectParent / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember
WRECO Transaction [Member] | Transaction Agreement [Member]
Business Acquisition [Line Items]
Cash payment to former direct parent	739,000,000tph_CashPaidToFormerDirectParent / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember / us-gaap_DebtInstrumentAxis = tph_TransactionAgreementMember
WRECO Transaction [Member] | Unpaid Interest [Member]
Business Acquisition [Line Items]
Cash payment to former direct parent	4,700,000tph_CashPaidToFormerDirectParent / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember / us-gaap_DebtInstrumentAxis = tph_UnpaidInterestMember
TRI Pointe [Member]
Business Acquisition [Line Items]
Common stock, shares issued		129,700,000us-gaap_CommonStockSharesIssued / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Percentage of common stock outstanding		79.60%tph_CommonStockSharesIssuedPercentageOfSharesOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Percentage of common stock owned after the Merger by TRI Pointe shareholders of record prior to the Merger		19.40%us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash retained by the Company		$ 117,600,000tph_ProceedsFromIssuanceOfDebtRetained / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
TRI Pointe [Member] | WRECO Transaction [Member]
Business Acquisition [Line Items]
Outstanding equity awards of the employee in percentage		1.00%tph_OutstandingEquityAwardsIssuedAndToBeIssuedToEmployeesRemainingPercentage / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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