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

The asset acquisition purchase price.

No definition available.

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

Amount of construction costs reimbursed from SCA during the period.

No definition available.

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

The element represents the construction supervision fee receivable.

No definition available.

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

Intangible assets accumulated amortization.

No definition available.

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

Represents the percentage of property leased.

No definition available.

Name:	tphs_PercentageOfPropertyLeased
Namespace Prefix:	tphs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

Name:	tphs_RemainingFeesToBePaidByScaToCompany
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Period Type:	instant

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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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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Name:	us-gaap_AmortizationOfIntangibleAssets
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Amount of transaction cost incurred as part of consideration transferred in asset acquisition.

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Name:	us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost
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Data Type:	xbrli:monetaryItemType
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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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Name:	us-gaap_Depreciation
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

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

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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_FiniteLivedIntangibleAssetsGross
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Data Type:	xbrli:monetaryItemType
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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.

No definition available.