Guarantor Obligations, Capital Calls Payable

No definition available.

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- Definition

Unfunded Capital Contributions

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

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

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248

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Period Type:	instant

- Definition

This item represents a non-contingent liability for the fair value of an obligation to stand ready to perform over the term of a guaranty issued in the event that specified triggering events or conditions occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15)
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Name Accounting Standards Codification
-Topic 460
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-URI http://asc.fasb.org/extlink&oid=118943535&loc=d3e11019-110243

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-Section 25
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118943535&loc=d3e11049-110243

+ Details

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Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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Period Type:	duration

- 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.

+ References

No definition available.

+ Details

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from borrowings to finance the cost of construction.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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- Details

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- Details

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Commitments and Contingencies (Details)	1 Months Ended	3 Months Ended
Commitments and Contingencies (Details)	Jan. 31, 2020 USD ($)	Mar. 31, 2020 USD ($) property
Loss Contingencies [Line Items]
Unfunded capital contributions		$ 4,600,000
Corporate Joint Venture \| 799 Broadway Joint Venture
Loss Contingencies [Line Items]
Construction loan guaranty		14,300,000
Capital calls unpaid		0
Guaranty liability		0
Corporate Joint Venture \| 799 Broadway Joint Venture
Loss Contingencies [Line Items]
Amount borrowed under construction loan		122,100,000
Corporate Joint Venture \| Columbia Property Trust and joint venturer \| 799 Broadway Joint Venture
Loss Contingencies [Line Items]
Construction loan guaranty		$ 28,800,000
Office Building
Loss Contingencies [Line Items]
Number of real estate properties \| property		15
Office Building \| Corporate Joint Venture
Loss Contingencies [Line Items]
Number of real estate properties \| property		8
149 Madison Avenue
Loss Contingencies [Line Items]
Unrecorded tenant commitments		$ 15,900,000
95 Columbus
Loss Contingencies [Line Items]
Unrecorded tenant commitments		$ 17,600,000
80 M Street \| Capital Addition Purchase Commitments
Loss Contingencies [Line Items]
Purchase commitment	$ 65,300,000