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Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures in Period

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Joint Venture, Adjacent Land Parcel

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Joint Venture, Other Adjustments

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Joint Venture, Real Property, at Cost

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Joint Venture, Square Footage

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Number Of Limited Liability Companies

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Amount of equity impact of cash distributions declared to unit-holder of limited liability company (LLC).

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

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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The cash outflow associated with the purchase of real estate held-for-investment and real estate joint ventures.

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The book value of investments in real estate joint ventures including direct and indirect investments.

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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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Real Estate Investments - Unconsolidated Joint Venture Acquisitions (Details) $ in Thousands						3 Months Ended		6 Months Ended
	May 10, 2021 USD ($) ft²	Apr. 30, 2021 USD ($) ft²	Apr. 08, 2021 USD ($) ft²	Apr. 01, 2021 USD ($) ft²	Mar. 30, 2021 USD ($) ft²	Jun. 30, 2021 USD ($) ft²	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) ft² property	Jun. 30, 2020 USD ($)	Jul. 27, 2021 USD ($) a ft²
Real Estate [Line Items]
Joint venture ownership (percent)						50.00%		50.00%
Equity Method Investments [Roll Forward]
Investments in unconsolidated joint ventures, beginning of period								$ 73,137
Equity loss recognized during the period						$ (146)	$ (116)	(220)	$ (127)
Owner distributions						0	(65)	0	(184)
Net LLC investments at the end of the period						117,935		117,935
Medical office building
Real Estate [Line Items]
Purchase Price						91,110		91,110
Cash Consideration								89,194
Real Estate						90,342		90,342
Other						$ (1,148)		$ (1,148)
Square Footage \| ft²						262,520		262,520
Medical office building \| Denver, CO
Real Estate [Line Items]
Purchase Price					$ 14,375
Cash Consideration					14,056
Real Estate					14,550
Other					$ (494)
Square Footage \| ft²					59,359
Joint venture ownership (percent)					50.00%
Medical office building \| Colorado Springs, CO
Real Estate [Line Items]
Purchase Price				$ 7,200
Cash Consideration				7,288
Real Estate				7,347
Other				$ (59)
Square Footage \| ft²				27,510
Joint venture ownership (percent)				50.00%
Medical office building \| Colorado Springs, CO \| Subsequent event
Real Estate [Line Items]
Purchase Price										$ 9,133
Square Footage \| ft²										23,956
Joint venture ownership (percent)										50.00%
Joint venture, adjacent land parcel (acres) \| a										3.0
Medical office building \| Los Angeles, CA
Real Estate [Line Items]
Purchase Price	$ 24,600		$ 31,335
Cash Consideration	24,259		30,179
Real Estate	24,147		30,642
Other	$ 112		$ (463)
Square Footage \| ft²	73,078		57,573
Joint venture ownership (percent)	50.00%		50.00%
Medical office building \| San Antonio, TX
Real Estate [Line Items]
Purchase Price		$ 13,600
Cash Consideration		13,412
Real Estate		13,656
Other		$ (244)
Square Footage \| ft²		45,000
Joint venture ownership (percent)		50.00%
Parking Garages
Equity Method Investments [Roll Forward]
Investments in unconsolidated joint ventures, beginning of period				$ 83,943		$ 83,943	8,000	$ 73,137	8,130
New investments during the period						34,138	0	45,018	0
Equity loss recognized during the period						(146)	(116)	(220)	(127)
Net LLC investments at the end of the period						$ 117,935	$ 7,819	$ 117,935	$ 7,819
Parking Garages \| Atlanta, GA
Real Estate [Line Items]
Number of limited liability companies \| property								2
Parking Garages \| Atlanta, GA \| Limited Liability Company One
Real Estate [Line Items]
Ownership interest in LLC (percent)								55.00%
Parking Garages \| Atlanta, GA \| Limited Liability Company Two
Real Estate [Line Items]
Ownership interest in LLC (percent)								27.00%