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Variable Interest Entities - Summary of Interests in Land Option Agreements (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Variable Interest Entity [Line Items]
Deposits	$ 71,909	$ 27,003
Remaining Purchase Price	741,218	381,939
Consolidated inventory held by VIEs	0	0
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Deposits	0	0
Remaining Purchase Price	0	0
Consolidated inventory held by VIEs	0	0
Unconsolidated VIEs [Member]
Variable Interest Entity [Line Items]
Deposits	41,198	3,418
Remaining Purchase Price	433,720	112,590
Other land option agreements [Member]
Variable Interest Entity [Line Items]
Deposits	30,711	23,585
Remaining Purchase Price	$ 307,498	$ 269,349

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- Definition

The net carrying amount as of the balance sheet date of capitalized construction costs held as inventory at variable interest entities.

+ References

No definition available.

+ Details

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Namespace Prefix:	tph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Cash deposits on land options and other similar contracts.

+ References

No definition available.

+ Details

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Namespace Prefix:	tph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

Remaining purchase price associate with land option and other similar contracts.

+ References

No definition available.

+ Details

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Namespace Prefix:	tph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Details

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X

- Details

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- Details

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