DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Net Gains (Losses) Relating to Free-Standing Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other noninterest income | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	$ 143	$ (326)
Other noninterest income | Risk participation agreement
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	33	0
Mortgage banking activity | Interest Rate Lock Commitments
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	2,116	5,013
Mortgage banking activity | Mortgage derivatives - forward contracts related to mortgage loans held for sale
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	$ 4,760	$ (7,876)