Debt instrument issue price as percentage of principal amount.

No definition available.

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Namespace Prefix:	tph_
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Period Type:	duration

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Period Type:	instant

- 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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Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Period Type:	instant

- Definition

Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Total interest costs incurred during the period and either capitalized or charged against earnings.

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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Balance Type:	credit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	debit
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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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- Details

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Senior Notes and Unsecured Revolving Credit Facility - Additional Information (Detail) - USD ($)		1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 13, 2014	Jun. 30, 2017	May 31, 2016	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2018	Jun. 20, 2017	Jun. 19, 2017
Debt Instrument [Line Items]
Proceeds from issuance of senior notes	$ 861,300,000
Capitalization of deferred finance costs					$ 2,424,000	$ 3,427,000
Accrued interest					12,572,000	11,014,000
Outstanding letters of credit					31,800,000	7,700,000
Interest incurred					91,631,000	84,264,000	$ 68,306,000
Interest capitalized					91,631,000	84,264,000	$ 68,306,000
Notes payable [Member]
Debt Instrument [Line Items]
Amortization of deferred financing costs					8,000,000	7,600,000
Senior Notes [Member]
Debt Instrument [Line Items]
Capitalization of deferred finance costs					14,600,000	19,900,000
Accrued interest					$ 11,500,000	$ 10,600,000
5.250% Senior Notes due June 1, 2027 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount								$ 300,000,000
Interest rate on debt (percent)								5.25%
Percentage of aggregate principal amount (percent)		100.00%
Proceeds from issuance of debt note, net		$ 296,300,000
4.875% Senior Notes due July 1, 2021 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount			$ 300,000,000
Interest rate on debt (percent)			4.875%		4.875%	4.875%
Percentage of aggregate principal amount (percent)			99.44%
Proceeds from issuance of debt note, net			$ 293,900,000
Maturity date of senior note					Jul. 01, 2021	Jul. 01, 2021
4.375% Senior notes due 2019 [Member]
Debt Instrument [Line Items]
Notes issue price as a percentage of principal amount					98.89%
Maturity date of senior note				Jun. 15, 2019
Aggregate principal amount of debt repurchased and cancelled					$ 68,100,000
4.375% Senior notes due 2019 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate on debt (percent)					4.375%	4.375%
Maturity date of senior note					Jun. 15, 2019	Jun. 15, 2019
5.875% Senior notes due 2024 [Member]
Debt Instrument [Line Items]
Notes issue price as a percentage of principal amount					98.15%
Maturity date of senior note				Jun. 15, 2024
5.875% Senior notes due 2024 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Interest rate on debt (percent)					5.875%	5.875%
Maturity date of senior note					Jun. 15, 2024	Jun. 15, 2024
Unsecured revolving credit facility [Member] \| Unsecured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Unsecured revolving credit facility									$ 600,000,000	$ 625,000,000
Unsecured revolving credit facility [Member] \| Six Hundred And Twenty Five Million Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Accrued interest					$ 402,000	$ 426,000
Available secured revolving credit facility					$ 568,200,000
Unsecured revolving credit facility [Member] \| Six Hundred And Twenty Five Million Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate					1.25%
Unsecured revolving credit facility [Member] \| Six Hundred And Twenty Five Million Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate					2.00%
Letters of credit [Member] \| Six Hundred And Twenty Five Million Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Unsecured revolving credit facility					$ 75,000,000