Equity Securities, FV-NI, Holding Period

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Value of input used to measure investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117546-209714

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

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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

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column B))
-URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611197-123010

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- Definition

Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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Fair Value of Assets and Liabilities - Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022	Jun. 28, 2022	Mar. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Unrealized loss on equity securities, net	$ (25,660)
AlerisLife Inc
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investment in common shares (in shares)	10,691,658
Joint Venture \| Seaport Innovation LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investment ownership percentage	10.00%	20.00%	20.00%	20.00%	55.00%
Holding period	10 years
Joint Venture \| Seaport Innovation LLC \| Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0700
Joint Venture \| Seaport Innovation LLC \| Market Capitalization Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0600
Joint Venture \| The LSMD Fund REIT LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investment ownership percentage	20.00%
Holding period	10 years
Joint Venture \| The LSMD Fund REIT LLC \| Discount Rate \| Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0600
Joint Venture \| The LSMD Fund REIT LLC \| Discount Rate \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0750
Joint Venture \| The LSMD Fund REIT LLC \| Market Capitalization Rate \| Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0450
Joint Venture \| The LSMD Fund REIT LLC \| Market Capitalization Rate \| Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0650
Recurring \| Level 1 \| Carrying Amount \| AlerisLife Inc
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	$ 5,880	$ 31,540
Investment in common shares (in shares)	10,691,658
Unrealized loss on equity securities, net		(42,232)
Recurring \| Level 1 \| Estimated Fair Value \| AlerisLife Inc
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	$ 5,880	31,540
Recurring \| Joint Venture \| Level 3 \| Carrying Amount \| Seaport Innovation LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments		215,127
Recurring \| Joint Venture \| Level 3 \| Carrying Amount \| The LSMD Fund REIT LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments		0
Recurring \| Joint Venture \| Level 3 \| Estimated Fair Value \| Seaport Innovation LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	104,697	215,127
Recurring \| Joint Venture \| Level 3 \| Estimated Fair Value \| The LSMD Fund REIT LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	50,780	$ 0
Recurring \| Joint Venture \| Level 3 \| Carrying Amount \| Seaport Innovation LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	104,697
Recurring \| Joint Venture \| Level 3 \| Carrying Amount \| The LSMD Fund REIT LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments	$ 50,780