GOODWILL AND OTHER INTANGIBLE ASSETS - Gross Carrying Value and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract]
Gross carrying value	[1]	$ 5,434	$ 7,191
Accumulated amortization	[1]	(3,213)	(4,299)
Net carrying value	[1]	2,221	2,892
Unamortized intangible assets:
Goodwill		85,758	85,758
Mortgage Servicing Rights (MSRs) [Member]
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract]
Gross carrying value	[1]	2,362	2,478
Accumulated amortization	[1]	(1,793)	(1,717)
Net carrying value	[1]	569	761
Core Deposit Intangibles [Member]
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract]
Gross carrying value	[1]	3,072	4,713
Accumulated amortization	[1]	(1,420)	(2,582)
Net carrying value	[1]	$ 1,652	$ 2,131

[1] Excludes fully amortized intangible assets