v3.25.2
Available-for-Sale Securities, at Fair Value - Narrative (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]    
Total available-for-sale securities $ 8,320,757 $ 7,371,711
Variable Interest Entity, Not Primary Beneficiary    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]    
Total available-for-sale securities 3,400 3,700
Maximum exposure to loss of nonconsolidated Variable Interest Entities 3,400 3,700
Asset Pledged as Collateral    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]    
Total available-for-sale securities $ 8,200,000 $ 7,100,000