v3.26.1
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Derivative Financial Instruments on Net Income and Comprehensive Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivatives designated as fair value hedges: | Fair Value Hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Income (Loss) Recognized in Earnings $ 199 $ 237 $ 293 $ 336
Derivatives designated as fair value hedges: | Interest rate swaps | Fair Value Hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Income (Loss) Recognized in Earnings 1,161 (2,322) 2,790 (4,290)
Derivatives designated as fair value hedges: | Deposits | Fair Value Hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Income (Loss) Recognized in Earnings (846) 1,563 (2,132) 2,736
Derivatives designated as fair value hedges: | FHLB advances | Fair Value Hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Income (Loss) Recognized in Earnings (116) 996 (365) 1,890
Derivatives not designated as hedging instruments: | Interest rate swaps, caps and collars        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Income (Loss) Recognized in Earnings $ 603 $ 892 $ 619 $ 1,671