<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>348</ContextCount>
  <ElementCount>388</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>78</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>13</UnitCount>
  <MyReports>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001002 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1002003 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1003004 - Statement - Consolidated Statements of Operations (unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ConsolidatedStatementsofOperationsunaudited</Role>
      <ShortName>Consolidated Statements of Operations (unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1004005 - Statement - Consolidated Statements of Equity (unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ConsolidatedStatementsofEquityunaudited</Role>
      <ShortName>Consolidated Statements of Equity (unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1005006 - Statement - Consolidated Statements of Cash Flows (unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ConsolidatedStatementsofCashFlowsunaudited</Role>
      <ShortName>Consolidated Statements of Cash Flows (unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>2101101 - Disclosure - Organization, Basis of Presentation and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OrganizationBasisofPresentationandSummaryofSignificantAccountingPolicies</Role>
      <ShortName>Organization, Basis of Presentation and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>2104102 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>2108103 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/EarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>2111104 - Disclosure - Receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/Receivables</Role>
      <ShortName>Receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2115105 - Disclosure - Real Estate Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RealEstateInventories</Role>
      <ShortName>Real Estate Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2120106 - Disclosure - Investments in Unconsolidated Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/InvestmentsinUnconsolidatedEntities</Role>
      <ShortName>Investments in Unconsolidated Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2124107 - Disclosure - Variable Interest Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/VariableInterestEntities</Role>
      <ShortName>Variable Interest Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2128108 - Disclosure - Goodwill and Other Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssets</Role>
      <ShortName>Goodwill and Other Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2133109 - Disclosure - Other Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OtherAssets</Role>
      <ShortName>Other Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2136110 - Disclosure - Accrued Expenses and Other Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/AccruedExpensesandOtherLiabilities</Role>
      <ShortName>Accrued Expenses and Other Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2139111 - Disclosure - Senior Notes and Loans Payable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.tripointehomes.com/role/SeniorNotesandLoansPayable</Role>
      <ShortName>Senior Notes and Loans Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2144112 - Disclosure - Fair Value Disclosures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/FairValueDisclosures</Role>
      <ShortName>Fair Value Disclosures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2147113 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2153114 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2159115 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2161116 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2163117 - Disclosure - Supplemental Disclosure to Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalDisclosuretoConsolidatedStatementsofCashFlows</Role>
      <ShortName>Supplemental Disclosure to Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2166118 - Disclosure - Supplemental Guarantor Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalGuarantorInformation</Role>
      <ShortName>Supplemental Guarantor Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2202201 - Disclosure - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OrganizationBasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Organization, Basis of Presentation and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/OrganizationBasisofPresentationandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/SegmentInformation</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2309302 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/EarningsPerShare</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2312303 - Disclosure - Receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ReceivablesTables</Role>
      <ShortName>Receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/Receivables</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2316304 - Disclosure - Real Estate Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RealEstateInventoriesTables</Role>
      <ShortName>Real Estate Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/RealEstateInventories</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2321305 - Disclosure - Investments in Unconsolidated Entities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/InvestmentsinUnconsolidatedEntitiesTables</Role>
      <ShortName>Investments in Unconsolidated Entities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/InvestmentsinUnconsolidatedEntities</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2325306 - Disclosure - Variable Interest Entities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/VariableInterestEntitiesTables</Role>
      <ShortName>Variable Interest Entities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/VariableInterestEntities</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2329307 - Disclosure - Goodwill and Other Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Other Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssets</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2334308 - Disclosure - Other Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OtherAssetsTables</Role>
      <ShortName>Other Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/OtherAssets</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2337309 - Disclosure - Accrued Expenses and Other Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/AccruedExpensesandOtherLiabilitiesTables</Role>
      <ShortName>Accrued Expenses and Other Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/AccruedExpensesandOtherLiabilities</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2340310 - Disclosure - Senior Notes and Loans Payable (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.tripointehomes.com/role/SeniorNotesandLoansPayableTables</Role>
      <ShortName>Senior Notes and Loans Payable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/SeniorNotesandLoansPayable</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2345311 - Disclosure - Fair Value Disclosures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/FairValueDisclosuresTables</Role>
      <ShortName>Fair Value Disclosures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/FairValueDisclosures</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2348312 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/CommitmentsandContingencies</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2354313 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/StockBasedCompensation</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2364314 - Disclosure - Supplemental Disclosure to Consolidated Statements of Cash Flows (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalDisclosuretoConsolidatedStatementsofCashFlowsTables</Role>
      <ShortName>Supplemental Disclosure to Consolidated Statements of Cash Flows (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/SupplementalDisclosuretoConsolidatedStatementsofCashFlows</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2367315 - Disclosure - Supplemental Guarantor Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalGuarantorInformationTables</Role>
      <ShortName>Supplemental Guarantor Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/SupplementalGuarantorInformation</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2403401 - Disclosure - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OrganizationBasisofPresentationandSummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Organization, Basis of Presentation and Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/OrganizationBasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Segment Information - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SegmentInformationAdditionalInformationDetail</Role>
      <ShortName>Segment Information - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2407403 - Disclosure - Segment Information - Summary of Financial Information Relating to Reportable Segments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SegmentInformationSummaryofFinancialInformationRelatingtoReportableSegmentsDetail</Role>
      <ShortName>Segment Information - Summary of Financial Information Relating to Reportable Segments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2410404 - Disclosure - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetail</Role>
      <ShortName>Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2413405 - Disclosure - Receivables - Components of Receivables (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ReceivablesComponentsofReceivablesDetail</Role>
      <ShortName>Receivables - Components of Receivables (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2414406 - Disclosure - Receivables - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/ReceivablesAdditionalInformationDetail</Role>
      <ShortName>Receivables - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2417407 - Disclosure - Real Estate Inventories - Summary of Real Estate Inventories (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RealEstateInventoriesSummaryofRealEstateInventoriesDetail</Role>
      <ShortName>Real Estate Inventories - Summary of Real Estate Inventories (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2418408 - Disclosure - Real Estate Inventories - Summary of Interest Incurred, Capitalized and Expensed (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RealEstateInventoriesSummaryofInterestIncurredCapitalizedandExpensedDetail</Role>
      <ShortName>Real Estate Inventories - Summary of Interest Incurred, Capitalized and Expensed (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2419409 - Disclosure - Real Estate Inventories - Schedule of Land and Lot Option Abandonments and Pre-acquisition Charges (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RealEstateInventoriesScheduleofLandandLotOptionAbandonmentsandPreacquisitionChargesDetail</Role>
      <ShortName>Real Estate Inventories - Schedule of Land and Lot Option Abandonments and Pre-acquisition Charges (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2422410 - Disclosure - Investments in Unconsolidated Entities - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/InvestmentsinUnconsolidatedEntitiesAdditionalInformationDetail</Role>
      <ShortName>Investments in Unconsolidated Entities - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2423411 - Disclosure - Investments in Unconsolidated Entities - Aggregated Assets, Liabilities and Operating Results of Entities as Equity-Method Investments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/InvestmentsinUnconsolidatedEntitiesAggregatedAssetsLiabilitiesandOperatingResultsofEntitiesasEquityMethodInvestmentsDetail</Role>
      <ShortName>Investments in Unconsolidated Entities - Aggregated Assets, Liabilities and Operating Results of Entities as Equity-Method Investments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2426412 - Disclosure - Variable Interest Entities - Summary of Interests in Land Option Agreements (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/VariableInterestEntitiesSummaryofInterestsinLandOptionAgreementsDetail</Role>
      <ShortName>Variable Interest Entities - Summary of Interests in Land Option Agreements (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2427413 - Disclosure - Variable Interest Entities - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/VariableInterestEntitiesAdditionalInformationDetail</Role>
      <ShortName>Variable Interest Entities - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2430414 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssetsAdditionalInformationDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2431415 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssetsScheduleofGoodwillandOtherIntangibleAssetsDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2432416 - Disclosure - Goodwill and Other Intangible Assets - Schedule of Expected Amortization of Intangible Asset (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/GoodwillandOtherIntangibleAssetsScheduleofExpectedAmortizationofIntangibleAssetDetail</Role>
      <ShortName>Goodwill and Other Intangible Assets - Schedule of Expected Amortization of Intangible Asset (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2435417 - Disclosure - Other Assets - Schedule of Other Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/OtherAssetsScheduleofOtherAssetsDetail</Role>
      <ShortName>Other Assets - Schedule of Other Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2438418 - Disclosure - Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/AccruedExpensesandOtherLiabilitiesScheduleofAccruedExpensesandOtherLiabilitiesDetail</Role>
      <ShortName>Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2441419 - Disclosure - Senior Notes and Loans Payable - Schedule of Senior Notes (Detail)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.tripointehomes.com/role/SeniorNotesandLoansPayableScheduleofSeniorNotesDetail</Role>
      <ShortName>Senior Notes and Loans Payable - Schedule of Senior Notes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2442420 - Disclosure - Senior Notes and Loans Payable - Additional Information (Detail)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.tripointehomes.com/role/SeniorNotesandLoansPayableAdditionalInformationDetail</Role>
      <ShortName>Senior Notes and Loans Payable - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2443421 - Disclosure - Senior Notes and Loans Payable - Schedule of Outstanding Loans Payable (Detail)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.tripointehomes.com/role/SeniorNotesandLoansPayableScheduleofOutstandingLoansPayableDetail</Role>
      <ShortName>Senior Notes and Loans Payable - Schedule of Outstanding Loans Payable (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2446422 - Disclosure - Fair Value Disclosures - Summary of Assets and Liabilities Related to Financial Instruments, Measured at Fair Value on a Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/FairValueDisclosuresSummaryofAssetsandLiabilitiesRelatedtoFinancialInstrumentsMeasuredatFairValueonaRecurringBasisDetail</Role>
      <ShortName>Fair Value Disclosures - Summary of Assets and Liabilities Related to Financial Instruments, Measured at Fair Value on a Recurring Basis (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2449423 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingenciesAdditionalInformationDetail</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2450424 - Disclosure - Commitments and Contingencies - Schedule of Warranty Reserves (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingenciesScheduleofWarrantyReservesDetail</Role>
      <ShortName>Commitments and Contingencies - Schedule of Warranty Reserves (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2451425 - Disclosure - Commitments and Contingencies - Schedule of Lease Costs and Other Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingenciesScheduleofLeaseCostsandOtherInformationDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Lease Costs and Other Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2452426 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/CommitmentsandContingenciesScheduleofFutureMinimumLeasePaymentsDetails</Role>
      <ShortName>Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2455427 - Disclosure - Stock-Based Compensation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensationAdditionalInformationDetail</Role>
      <ShortName>Stock-Based Compensation - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2456428 - Disclosure - Stock-Based Compensation - Summary of Compensation Expense Recognized Related to all Stock-Based Awards (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensationSummaryofCompensationExpenseRecognizedRelatedtoallStockBasedAwardsDetail</Role>
      <ShortName>Stock-Based Compensation - Summary of Compensation Expense Recognized Related to all Stock-Based Awards (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2457429 - Disclosure - Stock-Based Compensation - Summary of Stock Option Awards (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensationSummaryofStockOptionAwardsDetail</Role>
      <ShortName>Stock-Based Compensation - Summary of Stock Option Awards (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2458430 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Units (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/StockBasedCompensationSummaryofRestrictedStockUnitsDetail</Role>
      <ShortName>Stock-Based Compensation - Summary of Restricted Stock Units (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2460431 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/IncomeTaxesAdditionalInformationDetail</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2462432 - Disclosure - Related Party Transactions - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/RelatedPartyTransactionsAdditionalInformationDetail</Role>
      <ShortName>Related Party Transactions - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2465433 - Disclosure - Supplemental Disclosure to Consolidated Statements of Cash Flows (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalDisclosuretoConsolidatedStatementsofCashFlowsDetail</Role>
      <ShortName>Supplemental Disclosure to Consolidated Statements of Cash Flows (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.tripointehomes.com/role/SupplementalDisclosuretoConsolidatedStatementsofCashFlowsTables</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>2468434 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalGuarantorInformationCondensedConsolidatingBalanceSheetDetail</Role>
      <ShortName>Supplemental Guarantor Information - Condensed Consolidating Balance Sheet (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>2469435 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statement of Operations (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalGuarantorInformationCondensedConsolidatingStatementofOperationsDetail</Role>
      <ShortName>Supplemental Guarantor Information - Condensed Consolidating Statement of Operations (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="tph-20200630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>2470436 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.tripointehomes.com/role/SupplementalGuarantorInformationCondensedConsolidatingStatementofCashFlowsDetail</Role>
      <ShortName>Supplemental Guarantor Information - Condensed Consolidating Statement of Cash Flows (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="tph-20200630.htm">tph-20200630.htm</File>
    <File>q22020tphex311.htm</File>
    <File>q22020tphex312.htm</File>
    <File>q22020tphex321.htm</File>
    <File>q22020tphex322.htm</File>
    <File>tph-20200630.xsd</File>
    <File>tph-20200630_cal.xml</File>
    <File>tph-20200630_def.xml</File>
    <File>tph-20200630_lab.xml</File>
    <File>tph-20200630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>tph-20200630_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/srt/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2020-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
