v3.26.1
Derivatives and hedging activities - Effect of Derivative Instruments Not Designated as Hedging Instruments on the Consolidated Statements of Income and Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fee Income | Noninterest income (expense)        
Derivative Instruments, Gain (Loss)        
Amount of Gain or (Loss) Recognized in Income on Derivatives $ 205 $ 212 $ 824 $ 318
Derivatives not designated as hedging instruments        
Derivative Instruments, Gain (Loss)        
Amount of Gain or (Loss) Recognized in Income on Derivatives (18) (52) (32) (115)
Derivatives not designated as hedging instruments | Interest rate products | Noninterest income (expense)        
Derivative Instruments, Gain (Loss)        
Amount of Gain or (Loss) Recognized in Income on Derivatives (17) (48) 22 (111)
Derivatives not designated as hedging instruments | Other contracts | Noninterest income (expense)        
Derivative Instruments, Gain (Loss)        
Amount of Gain or (Loss) Recognized in Income on Derivatives $ (1) $ (4) $ (54) $ (4)