Investments - Schedule of Unrealized Gains (Losses) on Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net Investment Income
Unrealized gains (losses) on non-real estate investments still held as of the end of each year (excluding equity method investments)	$ 26,980	$ (112,246)	$ (201,475)
Total investments held
Net Investment Income
Unrealized gains (losses) on non-real estate investments still held as of the end of each year (excluding equity method investments)	55,545	(32,700)	(58,820)
Entities with observable price change \| Investments in privately held entities that do not report NAV
Net Investment Income
Upward adjustments	18,905	22,763	16,812
Downward adjustments and impairments	(117,574)	(60,485)	(94,559)
Investments in privately held entities that do not report NAV still held as of the end of each year	$ (98,669)	$ (37,722)	$ (77,747)

Equity Securities without Readily Determinable Fair Value, Price Adjustment, Annual Amount

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Amount of unrealized gain (loss) on 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
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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