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FAIR VALUE MEASUREMENTS - Measured on Non-recurring Basis (Details) - Non-recurring - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Dec. 31, 2024
Assets
Liabilities measured at fair value	$ 0	$ 0	$ 0
Level 3
Assets
Individually evaluated loans	2,697	2,697	3,224
Capitalized servicing rights	7,021	7,021	7,285
Premises held for sale			419
Total	9,718	9,718	10,928
Total Gains (Losses)	(999)	(1,210)
Level 3 | Impaired loans
Assets
Total Gains (Losses)	(886)	(527)
Level 3 | Capitalized servicing rights
Assets
Total Gains (Losses)	292	(264)
Level 3 | Assets held for sale
Assets
Premises held for sale	0	0	$ 419
Total Gains (Losses)	$ (405)	$ (419)

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