Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Equity Securities without Readily Determinable Fair Value [Line Items]
Loan held for sale	$ 0	$ 47,880
Investments held to maturity, at amortized cost	89,769	78,941
Investments held for sale and other	178,023	121,995
Equity investments	0	128
Total investments	7,932,744	7,503,281
Investments held-for-sale, fair value option	74,800	78,100
Variable Interest Entity, Primary Beneficiary
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity method investments	573,115	647,448
Investments held to maturity, at amortized cost	83,231	73,485
Equity method - performance allocations
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity method investments	6,089,273	5,958,079
Equity method - capital interests
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity method investments	1,563,346	1,284,255
Equity method - other
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity method investments	$ 12,333	$ 12,003

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