Area of estimated potential development density.

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- Definition

Amount of lease termination fee received during the period.

+ References

No definition available.

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- Definition

Cash in flow from consideration for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

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- Definition

Indicates line item in statement of income that includes gain (loss) recognized on sale or disposal of disposal group. Excludes discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

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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.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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Acquisition, Dispositions and Assets Held for Sale - Summary of the Disposition Activity (Details) ft² in Thousands, $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) ft²
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Gains (Losses) on Sales of Investment Real Estate
Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of Real Estate Property \| ft²			5,891
Gross Sales Price			$ 1,015,400
Cash Proceeds from Sale			928,908
Gain (Loss) on the Sale of Real Estate			161,894
Development Parcel \| Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Sales Price			3,250
Cash Proceeds from Sale			3,149
Gain (Loss) on the Sale of Real Estate			$ (136)
Universal Buildings \| Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of Real Estate Property \| ft²			659
Gross Sales Price			$ 228,000
Cash Proceeds from Sale			194,737
Gain (Loss) on the Sale of Real Estate			$ 41,245
Lease termination fee		$ 24,300
7200 Wisconsin Avenue, 1730 M Street, RTC-West and Courthouse Plaza 1 and 2 \| Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of Real Estate Property \| ft²			2,944
Gross Sales Price			$ 580,000
Cash Proceeds from Sale			527,694
Gain (Loss) on the Sale of Real Estate			$ (4,047)
Area of estimated potential development density \| ft²			1,400
Pen Place - Land Parcel \| Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of Real Estate Property \| ft²			2,082
Gross Sales Price			$ 198,000
Cash Proceeds from Sale			197,528
Gain (Loss) on the Sale of Real Estate			$ 121,502
Land Option \| Disposal Group, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Area of Real Estate Property \| ft²			206
Gross Sales Price			$ 6,150
Cash Proceeds from Sale			5,800
Gain (Loss) on the Sale of Real Estate			$ 3,330
1730 M Street and RTC-West \| Disposal Group, Disposed of by Sale \| Mortgage Loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Repayments of Long-term Debt	$ 164,800