DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Net Gains (Losses) Relating to Free-Standing Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest rate contracts | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	$ (48)	$ (337)	$ (291)	$ (150)
Risk participation agreement | Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	6	(24)	(7)	17
Interest rate lock commitments | Mortgage banking activity
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	(1,193)	257	3,508	1,425
Forward contracts related to mortgage loans held for sale | Mortgage banking activity
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	$ 5,255	$ (2,434)	$ (7,775)	$ 3,808