Fair Value of Financial Instruments - Summary of Fair Value Information of Financial Instruments (Parenthetical) (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2024 USD ($) Health_Center	Dec. 31, 2023 USD ($)
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Mortgage loans	$ 309,926	$ 309,315
Investments in unconsolidated real estate joint ventures	1,450,482	1,474,455
Investments in unconsolidated operating entities	794,138	1,778,640
Loans [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Investments in unconsolidated operating entities	40,000	526,900
Other loans	424,000	289,600
Shareholder Loan [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Mortgage loans	162,400	162,400
Investments in unconsolidated real estate joint ventures	$ 329,000	$ 323,800
Fair Value, Recurring [Member] \| Colombia [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Number of facilities acquired \| Health_Center	3
Fair Value, Recurring [Member] \| Acquisition Loans [Member] \| Colombia [Member]
Financial Instruments Measured At Fair Value On Recurring Basis [Line Items]
Number of facilities acquired \| Health_Center	3

Financial instruments measured at fair value on recurring basis.

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- Definition

Investments in other loans.

+ References

No definition available.

+ Details

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- Definition

Investments In Unconsolidated Operating Entities

+ References

No definition available.

+ Details

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

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- Definition

The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

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