Subsequent Event (Details Textual) - Subsequent Event [Member]	Oct. 13, 2016 USD ($) a Units
Purchase And Sale Agreement [Member]
Subsequent Event [Line Items]
Payment For Initial Deposit	$ 6,887,500
Purchase Price Of Property	$ 68,875,000
Joint Venture Agreement [Member]
Subsequent Event [Line Items]
Real Estate Tax Abatement Period	25 years
Percentage Of Units As Market Rate Units	80.00%
Percentage Of Units As Affordable Rate Units	20.00%
Equity Method Investment, Ownership Percentage	50.00%
Area of Land \| a	65,000
Number Of Units \| Units	95

Represents the number of units.

No definition available.

Name:	tphs_NumberOfUnits
Namespace Prefix:	tphs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Cash Outflow relate to payment of initial deposit for property acquisition.

+ References

No definition available.

+ Details

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

- Definition

This element represents percentage of units as affordable rate units.

+ References

No definition available.

+ Details

Name:	tphs_PercentageOfUnitsAsAffordableRateUnits
Namespace Prefix:	tphs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents Percentage Of Units as market rate units

+ References

No definition available.

+ Details

Name:	tphs_PercentageOfUnitsAsMarketRateUnits
Namespace Prefix:	tphs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The purchase price of the property acquired.

+ References

No definition available.

+ Details

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

- Definition

Represents the real estate tax abatement period.

+ References

No definition available.

+ Details

Name:	tphs_RealEstateTaxAbatementPeriod
Namespace Prefix:	tphs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=tphs_PurchaseAndSaleAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=tphs_JointVentureAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: