Number Of Properties Included In Joint Venture Agreement

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Number Of States

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Number Of Third Party Institutional Investors

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Number Of Unconsolidated Joint Ventures

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Occupancy Rate

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Percentage Of Equity Method Investment Sold

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Real Estate Property Fair Value

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Area of a real estate property.

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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 gain (loss) on sale or disposal of other assets.

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Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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The number of states the entity operates in as of the balance sheet date.

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The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

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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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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Real Estate Investments - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended		12 Months Ended
	Jan. 31, 2022 USD ($) investor property	Dec. 31, 2021 USD ($)	Mar. 31, 2022 USD ($) ft² state property jointVenture	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2017
Real Estate Properties
Number of properties (property) \| property			378
Number of states in which properties are located \| state			36
Number of states \| state			5
Proceeds from sale of properties to joint venture, net			$ 643,892	$ 0
Seaport Innovation LLC
Real Estate Properties
Aggregate principal amount of mortgage debt		$ 620,000			$ 620,000
Real Estate Property Fair Value			$ 1,700,000
Corporate Joint Venture
Real Estate Properties
Number of properties (property) \| property			11
Area of real estate property \| ft²			2,203,242
Occupancy Rate			98.00%
Remaining lease term			6 years 7 months 6 days
Aggregate principal amount of mortgage debt	$ 456,600
Real Estate Property Fair Value	702,500
Seaport Innovation LLC \| Corporate Joint Venture
Real Estate Properties
Number of properties (property) \| property			1
Equity method investment ownership percentage		20.00%	20.00%		20.00%	55.00%
Area of real estate property \| ft²			1,134,479
Additional equity joint venture percentage		35.00%			35.00%
Proceeds from sale of properties to joint venture, net		$ 373,847
Senior Living Communities \| Skilled nursing bed license
Real Estate Properties
Gain on sale of properties	$ 327,542
Medical Office Building and Life Science Building \| Corporate Joint Venture
Real Estate Properties
Equity method investment ownership percentage	20.00%
Number of properties included in joint venture agreement \| property	10
Proceeds from sale of properties to joint venture, net	$ 653,300
Number of third party institutional investors \| investor	2
Medical Office Building and Life Science Building \| Corporate Joint Venture \| Unrelated Investor One
Real Estate Properties
Equity method investment ownership percentage	41.00%
Medical Office Building and Life Science Building \| Corporate Joint Venture \| Unrelated Investor Two
Real Estate Properties
Equity method investment ownership percentage	39.00%
Joint Venture
Real Estate Properties
Equity method investment ownership percentage			20.00%
Number of unconsolidated joint ventures \| jointVenture			2