Summary of Significant Accounting Policies - Summary of Assets Measured at Fair Value on Recurring Basis Using Level 3 (Details) - Recurring - Level 3 $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($)
Alternate Investment [Roll Forward]
Beginning balance	$ 6,712,842
Purchases and contributions	53,745
Sales and repayments	(727,200)
Distributions received	(26,733)
Income from unconsolidated entities measured at fair value	171,970
Realized loss included in income (loss) from investments in real estate debt	1,242
Unrealized gain included in income (loss) from investments in real estate debt	26,848
Ending balance	6,212,714
Investments in Real Estate Debt
Alternate Investment [Roll Forward]
Beginning balance	1,541,183
Purchases and contributions	34,758
Sales and repayments	(180,240)
Distributions received	0
Income from unconsolidated entities measured at fair value	0
Realized loss included in income (loss) from investments in real estate debt	1,242
Unrealized gain included in income (loss) from investments in real estate debt	26,848
Ending balance	1,423,791
Equity Securities
Alternate Investment [Roll Forward]
Beginning balance	224,408
Purchases and contributions	0
Sales and repayments	0
Distributions received	0
Income from unconsolidated entities measured at fair value	0
Realized loss included in income (loss) from investments in real estate debt	0
Unrealized gain included in income (loss) from investments in real estate debt	0
Ending balance	224,408
Investments in Unconsolidated Entities
Alternate Investment [Roll Forward]
Beginning balance	4,947,251
Purchases and contributions	18,987
Sales and repayments	(546,960)
Distributions received	(26,733)
Income from unconsolidated entities measured at fair value	171,970
Realized loss included in income (loss) from investments in real estate debt	0
Unrealized gain included in income (loss) from investments in real estate debt	0
Ending balance	$ 4,564,515

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Alternate investment purchases.

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Alternate Investment

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Realized Gain Included In Income (Loss) From Investments In Real Estate Debt

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No definition available.

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No definition available.

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Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 54B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482134/820-10-35-54B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-6A

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Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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Amount of unrealized gain (loss) on investment in marketable security.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

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