INVESTMENT SECURITIES - Gross Unrealized Losses and Fair Value Aggregated by Investment Category and Length of Time in Continuous Unrealized Loss Position (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Investment Securities
Less than 12 months Fair Value	$ 4,789	$ 67,109
Less than 12 months Unrealized Loss	(420)	(7,794)
12 months or more Fair Value	125,857	75,424
12 months or more Unrealized Loss	(33,591)	(21,534)
Total Fair Value	130,646	142,533
Total Unrealized Loss	$ (34,011)	$ (29,328)
Number of securities continuous unrealized loss position more than twelve months | security	248	256
Collateralized mortgage obligations
Investment Securities
Less than 12 months Fair Value	$ 240	$ 8,315
Less than 12 months Unrealized Loss	(3)	(364)
12 months or more Fair Value	11,574	6,127
12 months or more Unrealized Loss	(2,814)	(1,984)
Total Fair Value	11,814	14,442
Total Unrealized Loss	(2,817)	(2,348)
Agency mortgage-backed securities
Investment Securities
Less than 12 months Fair Value	117	20,029
Less than 12 months Unrealized Loss		(1,308)
12 months or more Fair Value	45,369	31,865
12 months or more Unrealized Loss	(8,089)	(5,600)
Total Fair Value	45,486	51,894
Total Unrealized Loss	(8,089)	(6,908)
Municipal securities
Investment Securities
Less than 12 months Fair Value	4,181	18,456
Less than 12 months Unrealized Loss	(417)	(5,438)
12 months or more Fair Value	25,296	13,340
12 months or more Unrealized Loss	(12,623)	(5,358)
Total Fair Value	29,477	31,796
Total Unrealized Loss	(13,040)	(10,796)
Corporate securities
Investment Securities
12 months or more Fair Value	1,263	1,325
12 months or more Unrealized Loss	(238)	(175)
Total Fair Value	1,263	1,325
Total Unrealized Loss	(238)	(175)
U.S. Government agency securities
Investment Securities
Less than 12 months Fair Value	251	13,526
Less than 12 months Unrealized Loss		(474)
12 months or more Fair Value	35,470	22,767
12 months or more Unrealized Loss	(9,715)	(8,417)
Total Fair Value	35,721	36,293
Total Unrealized Loss	(9,715)	(8,891)
U.S. Treasury securities
Investment Securities
Less than 12 months Fair Value		6,783
Less than 12 months Unrealized Loss		(210)
12 months or more Fair Value	6,885
12 months or more Unrealized Loss	(112)
Total Fair Value	6,885	6,783
Total Unrealized Loss	$ (112)	$ (210)