PREMISES AND EQUIPMENT - Additional information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2019
PREMISES AND EQUIPMENT
Operating leases right of use asset	$ 6,907,000		$ 6,907,000		$ 6,621,000
Operating leases liability	$ 7,131,000		$ 7,131,000		$ 6,870,000
Weighted-average lease term	7 years 2 months 12 days		7 years 2 months 12 days
Operating lease, weighted average discount rate, percent	4.02%		4.02%
Operating lease, expense	$ 413,000	$ 433,000	$ 895,000	$ 843,000
Lease expense related to ATMs	90,000	78,000	171,000	150,000
Income recognized from lessor agreements	$ 339,000	$ 325,000	$ 680,000	$ 649,000
Minimum
PREMISES AND EQUIPMENT
Lessee expected lease terms			P3Y1M6D
Maximum
PREMISES AND EQUIPMENT
Lessee expected lease terms			P14Y4M24D
ASU 2016-02 | Adjustment
PREMISES AND EQUIPMENT
Operating leases right of use asset						$ 9,500,000