LOANS AND ALLOWANCE FOR CREDIT LOSSES - Analysis of past due loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	$ 15,177	$ 23,085
Loans receivable	1,848,139	1,740,040
Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	9,275	7,079
Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	3,190	2,237
Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	1,820,497	1,707,639
Purchased Credit Impaired
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans		1,027
Loans receivable		1,027
Purchased Credit Impaired | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans		0
Purchased Credit Impaired | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans		0
Purchased Credit Impaired | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable		0
Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable		1,111,498
Commercial | Commercial real estate - non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	8,412	6,350
Loans receivable	737,342	675,597
Commercial | Commercial real estate - non-owner occupied | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	2,215	644
Commercial | Commercial real estate - non-owner occupied | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	126	947
Commercial | Commercial real estate - non-owner occupied | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	726,589	667,656
Commercial | Commercial real estate - owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,575	19
Loans receivable	237,246	204,982
Commercial | Commercial real estate - owner occupied | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	849	723
Commercial | Commercial real estate - owner occupied | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	0	141
Commercial | Commercial real estate - owner occupied | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	234,822	204,099
Commercial | All other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,323	11,528
Loans receivable	399,693	409,978
Commercial | All other commercial loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	229	537
Commercial | All other commercial loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	2,593	151
Commercial | All other commercial loans | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	395,548	397,762
Residential mortgage loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	3,627	3,974
Loans receivable	413,714	393,582
Residential mortgage loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	5,365	4,540
Residential mortgage loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	326	866
Residential mortgage loans | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	404,396	384,202
Consumer loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	240	187
Loans receivable	60,144	54,874
Consumer loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	617	635
Consumer loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	145	132
Consumer loans | Financial asset, not past due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	$ 59,142	$ 53,920