Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale Securities Pledged as Collateral for Financing (Details)

v3.23.3
Available-for-Sale Securities Pledged as Collateral for Financing (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]    
Available-for-sale securities, at fair value $ 8,830,726 $ 7,778,734
Asset Pledged as Collateral    
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]    
Available-for-sale securities, at fair value $ 8,800,000 $ 7,400,000