Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Derivative Instruments and Hedging Activities Interest Rate Sensitive Assets/Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Derivatives, Fair Value [Line Items]            
Available-for-sale securities, at fair value $ 8,963,203   $ 7,778,734      
Mortgage servicing rights, at fair value 3,273,956 $ 3,072,445 2,984,937 $ 3,226,191 $ 3,089,963 $ 2,191,578
Interest-Only-Strip [Member]            
Derivatives, Fair Value [Line Items]            
Available-for-sale securities, at fair value $ 22,200   $ 23,800