DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Schedule of Net Gains (Losses) Relating to Free-Standing Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Interest rate contracts \| Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	$ 124	$ (109)	$ 108	$ (243)
Risk participation agreement \| Other noninterest income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	7	(4)	12	(13)
Interest rate lock commitments \| Mortgage banking activity
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instruments, net, pretax, total	357	789	(112)	4,701
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	$ (8,009)	$ (4,368)	$ 2,275	$ (13,030)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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