Amount of construction costs reimbursed from SCA during the period.

No definition available.

Name:	tphs_ConstructionCostsReimbursed
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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of construction supervision fee received during the year.

+ References

No definition available.

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- Definition

The element represents the construction supervision fee receivable.

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No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents expected period for lease term.

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No definition available.

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- Definition

Represents the expected remediation percentage of building by summer 2020 prior to lockdown.

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No definition available.

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- Definition

Intangible assets accumulated amortization.

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No definition available.

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- Definition

Amount of the company's liquidity requirement.

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No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The occupancy rate percentage.

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No definition available.

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Data Type:	num:percentItemType
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- Definition

The property tax abatement granted as an incentive.

+ References

No definition available.

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Balance Type:	na
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Amount of total purchase price of property which will be sold under a Purchase and Sale Agreement.

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No definition available.

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Balance Type:	debit
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- Definition

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Period Type:	duration

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Section 45
-Paragraph 28
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Amount of revenue and income classified as other.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Real Estate, Net - Additional Information (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 06, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Apr. 05, 2020	May 31, 2018
Depreciation		$ 403,000	$ 402,000	$ 1,200,000	$ 1,300,000
Total Purchase Price Of Property								$ 81,200,000
Business Acquisition, Transaction Costs								$ 700,000
Occupancy rate percentage		20.00%		20.00%
Expected remediation percentage prior to COVID-19				75.00%
Finite-Lived Intangible Assets, Net		$ 11,100,000		$ 11,100,000		$ 11,100,000
Accumulated amortization				1,700,000		$ 1,200,000
Amortization of Intangible Assets		185,000	$ 185,000	555,000	$ 555,000
Gain on sale of commercial condominium unit	$ 20,000,000.0
Other income related to construction service fee	4,200,000	80,000		$ 231,000
Liquidity requirement	$ 15,000,000.0						$ 10,000,000.0
Maximum [Member]
Expected period for lease term				2 years
Minimum [Member]
Expected period for lease term				1 year
Real estate under development \| Minimum [Member]
Property Tax Abatement				15 years
Building and building improvements \| Maximum [Member]
Property, Plant and Equipment, Useful Life				27 years 6 months
Building and building improvements \| Minimum [Member]
Property, Plant and Equipment, Useful Life				1 year
Tenant improvements \| Minimum [Member]
Property, Plant and Equipment, Useful Life				1 year
SCA [Member]
Contract Receivable		41,500,000		$ 41,500,000
Construction Supervision Fee receivable		$ 5,000,000.0		5,000,000.0
Construction Costs Reimbursed				47,600,000
Construction Supervision Fee				$ 45,900,000