Defined Benefit Plan Cost Of Providing Standard Termination benefits recognized during period.

No definition available.

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

- Definition

Amount of minimum contribution(s) required for syms sponsored plan as per period.

+ References

No definition available.

+ Details

Name:	tphs_SymsPlanMinimumContribution
Namespace Prefix:	tphs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of accumulated benefit obligation attributable to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 7
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947

+ Details

Name:	us-gaap_MultiemployerPlansAccumulatedBenefitObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

Name:	us-gaap_MultiemployerPlansWithdrawalObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_MultiemployerPlanTypeAxis=tphs_SymsSponsoredPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPensionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Pension Plans (Details) - USD ($)	15 Months Ended
Pension Plans (Details) - USD ($)	Mar. 31, 2020	Jan. 31, 2020	Dec. 31, 2019	Sep. 17, 2012
Defined Benefit Plan Cost Of Providing Standard Termination Benefit Recognized During Period	$ 924,000
Multiemployer Plans, Withdrawal Obligation	0		$ 109,000
Syms Sponsored Plan [Member]
Syms Plan Minimum Contribution				$ 4,900,000
Multiemployer Plans, Pension [Member]
Multiemployer Plans, Accumulated Benefit Obligation	$ 203,000	$ 109,000