v3.25.1

REAL ESTATE, NET and INTANGIBLE ASSETS, NET - Additional Information (Details) - USD ($)	1 Months Ended	2 Months Ended	12 Months Ended
	May 31, 2018	Feb. 14, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
REAL ESTATE, NET and INTANGIBLE ASSETS, NET
Depreciation expense		$ 207,000		$ 3,700,000	$ 4,000,000.0
Intangible assets, original valuation				11,100,000
Accumulated amortization				4,100,000
Amortization of intangible assets		$ 91,000		$ 740,000	$ 740,000
SCA
REAL ESTATE, NET and INTANGIBLE ASSETS, NET
Contract amount for purchase of condominium unit			$ 41,500,000
Construction supervision fee receivable			5,000,000.0
Aggregate fees paid by SCA to the company			46,400,000
Remaining fees to be paid by SCA to the company			176,000
Construction costs reimbursed			$ 56,100,000
237 11th Property
REAL ESTATE, NET and INTANGIBLE ASSETS, NET
Purchase price of property	$ 81,200,000
Business acquisition, transaction costs	$ 700,000

The aggregate fees paid by the New York City School Construction Authority to the Company for the construction of a school.

+ References

No definition available.

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Period Type:	instant

- Definition

The asset acquisition purchase price.

+ References

No definition available.

+ Details

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Namespace Prefix:	tphs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate amount of construction costs reimbursed from SCA to date.

+ References

No definition available.

+ Details

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Namespace Prefix:	tphs_
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Balance Type:	credit
Period Type:	instant

- Definition

The element represents the construction supervision fee receivable.

+ References

No definition available.

+ Details

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

- Definition

The amount the other party agreed to pay to the Company for the purchase of their condominium unit.

+ References

No definition available.

+ Details

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Namespace Prefix:	tphs_
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- Definition

Intangible assets accumulated amortization.

+ References

No definition available.

+ Details

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Namespace Prefix:	tphs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The remaining fees to be paid by the New York City School Construction Authority ("SCA") to the Company for the construction of a school.

+ References

No definition available.

+ Details

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

- 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.

+ References

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Balance Type:	debit
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- Definition

Amount of transaction cost incurred as part of consideration transferred in asset acquisition.

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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.

+ References

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Definition

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

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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.

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Trinity Place Holdings Inc. 10-K