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v3.19.1

Variable Interest Entities - Additional Information (Detail) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
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Other land option agreements |  |
Variable Interest Entity [Line Items] |  |
Capitalized pre-acquisition costs | $ 7.0 | $ 7.5

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- Definition Pre-acquisition costs included in real estate inventories that relate to land option contracts. + References No definition available. + Details
Name: | tph_CapitalizedPreAcquisitionCosts
Namespace Prefix: | tph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=tph_VariableInterestEntityOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |