RELATED-PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
RELATED PARTY TRANSACTIONS
Deposits from related parties	$ 14,800	$ 16,400
Trust and investment management fees	18,452	19,193
Related party, assets under management	101,300	113,200
Board
RELATED PARTY TRANSACTIONS
Rental expense	600	600
Board of Directors Chairman
RELATED PARTY TRANSACTIONS
Trust and investment management fees	$ 100	$ 100