INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	$ 586,982	$ 594,564
Gross Unrealized Gains	787	138
Gross Unrealized Losses	51,855	61,329
Fair Value	535,914	533,373
Agency mortgage-backed securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	341,913	346,712
Gross Unrealized Gains	188	69
Gross Unrealized Losses	33,599	40,874
Fair Value	308,502	305,907
Agency collateralized mortgage obligations
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	123,280	123,395
Gross Unrealized Gains	538
Gross Unrealized Losses	7,707	9,771
Fair Value	116,111	113,624
States and political subdivisions securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	56,978	58,608
Gross Unrealized Gains	61	69
Gross Unrealized Losses	4,291	2,729
Fair Value	52,748	55,948
Small Business Administration securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	64,811	65,849
Gross Unrealized Losses	6,258	7,955
Fair Value	$ 58,553	$ 57,894