v3.25.1
Derivatives and Hedging Activities Derivatives Reported in Other Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives $ (10,203) $ 9,125
Interest-rate swaps    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives (11,936) 7,286
Swaptions    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives (93) 0
Interest-rate caps/floors    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives (525) (97)
Interest-rate forwards    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives (2,762) (156)
Net interest rate settlements    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives [1] 2,445 2,038
MDCs | Interest-rate forwards    
Derivative Instruments, Gain (Loss) [Line Items]    
Net gains (losses) on derivatives $ 2,668 $ 54
[1] Relates to derivatives that are not in qualifying fair-value hedging relationships. The interest income/expense of the associated hedged items is recorded in net interest income.