Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities Interest Rate Sensitive Assets/Liabilities (Details)

v3.22.1
Derivative Instruments and Hedging Activities Interest Rate Sensitive Assets/Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Derivatives, Fair Value [Line Items]        
Available-for-sale securities, at fair value $ 6,970,718 $ 7,161,703    
Mortgage servicing rights, at fair value 3,089,963 2,191,578 $ 2,091,761 $ 1,596,153
Interest-Only-Strip [Member]        
Derivatives, Fair Value [Line Items]        
Available-for-sale securities, at fair value $ 125,700 $ 274,100