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INVESTMENT SECURITIES - Available for sale securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	$ 603,877	$ 531,892
Gross Unrealized Gains	3,937	534
Gross Unrealized Losses	42,589	54,219
Fair Value	565,225	478,207
Agency mortgage-backed securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	352,265	316,114
Gross Unrealized Gains	1,900	7
Gross Unrealized Losses	28,060	35,890
Fair Value	326,105	280,231
Agency collateralized mortgage obligations
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	125,421	85,989
Gross Unrealized Gains	1,626
Gross Unrealized Losses	7,385	10,043
Fair Value	119,662	75,946
States and political subdivisions securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	58,742	59,141
Gross Unrealized Gains	324	527
Gross Unrealized Losses	1,475	1,531
Fair Value	57,591	58,137
Small Business Administration securities
AVAILABLE-FOR-SALE SECURITIES:
Amortized Cost	67,449	70,648
Gross Unrealized Gains	87
Gross Unrealized Losses	5,669	6,755
Fair Value	$ 61,867	$ 63,893

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