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Merger with Weyerhaeuser Real Estate Company - Additional Information (Detail) (USD $) | 0 Months Ended | 12 Months Ended |
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Jun. 13, 2014 Deposit | Dec. 31, 2014 | Dec. 31, 2013
Business Acquisition [Line Items] |  |  |
Common stock, shares issued |  | 161,355,490 us-gaap_CommonStockSharesIssued | 129,700,000 us-gaap_CommonStockSharesIssued
Amount of adjustment based on transaction agreement |  | $ 31,500,000 tph_AmountOfAdjustmentBasedOnTransactionAgreement |
Net proceeds offering | 861,300,000 us-gaap_ProceedsFromIssuanceOfDebt | 886,698,000 us-gaap_ProceedsFromIssuanceOfDebt |
Number of escrow accounts | 2 tph_NumberOfEscrowAccount |  |
Transaction agreement date |  | Nov. 03, 2013 |
Transaction costs directly related to Merger |  | 17,960,000 us-gaap_BusinessCombinationIntegrationRelatedCosts |
Trade names [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition related to trade names |  | 17,300,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
4.375% Senior notes due 2019 [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Aggregate principal amount |  | 450,000,000 us-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 |  | 450,000,000 us-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 |  |  | 100,000,000 us-gaap_CommonStockSharesIssued / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember
Cash payment to former direct parent | 743,700,000 tph_CashPaidToFormerDirectParent / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember |  |
WRECO Transaction [Member] | Transaction Agreement [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash payment to former direct parent | 739,000,000 tph_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 | 4,700,000 tph_CashPaidToFormerDirectParent / us-gaap_BusinessAcquisitionAxis = tph_WrecoTransactionMember / us-gaap_DebtInstrumentAxis = tph_UnpaidInterestMember |  |
TRI Pointe [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Common stock, shares issued |  | 129,700,000 us-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 |  | $ 117,600,000 tph_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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