Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale Securities, at Fair Value Nonconsolidated Variable Interest Entities (Details)

v3.21.1
Available-for-Sale Securities, at Fair Value Nonconsolidated Variable Interest Entities (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]    
Available-for-sale securities, at fair value $ 11,473,390 $ 14,650,922
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Available-for-sale securities, at fair value 9,200 13,000
Maximum exposure to loss of nonconsolidated Variable Interest Entities $ 9,200 $ 0