BORROWINGS - Schedule of borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
BORROWINGS
Borrowings from FHLB	$ 122,172	$ 141,498
May 5, 2023
BORROWINGS
Interest rate (as a percent)	0.76%
Borrowings from FHLB	$ 0	10,000
January 1, 2024
BORROWINGS
Interest rate (as a percent)	5.55%
Borrowings from FHLB	$ 41,175	131,498
March 27, 2024
BORROWINGS
Interest rate (as a percent)	4.78%
Borrowings from FHLB	$ 30,997	0
March 29, 2024
BORROWINGS
Interest rate (as a percent)	5.60%
Borrowings from FHLB	$ 50,000	$ 0