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- Definition

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

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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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.

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Investments in Unconsolidated Real Estate Ventures - Summary of Dispositions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Income (loss) from unconsolidated real estate ventures, net	$ (2,070)	$ (20,336)	$ (1,395)
Landmark and CBREI
Schedule of Equity Method Investments [Line Items]
Income (loss) from unconsolidated real estate ventures, net	$ 28,326	$ (2,152)
CBREI Venture \| Fairway
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	10.00%
Gross Sales Price	$ 93,000
Repayment of mortgage	45,343
Income (loss) from unconsolidated real estate ventures, net	$ 2,094
CBREI Venture \| Pickett Industrial Park
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage		10.00%
Gross Sales Price		$ 46,250
Repayment of mortgage		23,572
Income (loss) from unconsolidated real estate ventures, net		$ 800
Landmark \| Courthouse Metro
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	18.00%
Gross Sales Price	$ 3,000
Income (loss) from unconsolidated real estate ventures, net	$ 2,352
Landmark \| 5615 Fishers Lane
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	18.00%
Gross Sales Price	$ 6,500
Income (loss) from unconsolidated real estate ventures, net	$ 743
Landmark \| 500 L'Enfant Plaza
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	49.00%
Gross Sales Price	$ 166,500
Repayment of mortgage	80,000
Income (loss) from unconsolidated real estate ventures, net	$ 23,137
Landmark \| Woodglen
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage		18.00%
Gross Sales Price		$ 17,750
Repayment of mortgage		12,213
Income (loss) from unconsolidated real estate ventures, net		$ (2,952)