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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Analysis of past due loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	$ 15,501	$ 23,085
Loans and Leases Receivable, Gross, Total	1,830,670	1,740,040
Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	3,675	7,079
Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,292	2,237
Financial Asset, Not Past Due [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	1,810,202	1,707,639
Purchased Credit Impaired
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans		1,027
Loans and Leases Receivable, Gross, Total		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 [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total		0
Commercial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total		1,111,498
Commercial | Commercial real estate - non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	9,031	6,350
Loans and Leases Receivable, Gross, Total	737,287	675,597
Commercial | Commercial real estate - non-owner occupied | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	4	644
Commercial | Commercial real estate - non-owner occupied | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	132	947
Commercial | Commercial real estate - non-owner occupied | Financial Asset, Not Past Due [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	728,120	667,656
Commercial | Commercial real estate - owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,586	19
Loans and Leases Receivable, Gross, Total	231,112	204,982
Commercial | Commercial real estate - owner occupied | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	151	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 [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	229,375	204,099
Commercial | All other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,390	11,528
Loans and Leases Receivable, Gross, Total	395,703	409,978
Commercial | All other commercial loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,438	537
Commercial | All other commercial loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	162	151
Commercial | All other commercial loans | Financial Asset, Not Past Due [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	392,713	397,762
Residential mortgage loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	3,244	3,974
Loans and Leases Receivable, Gross, Total	410,013	393,582
Residential mortgage loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	1,569	4,540
Residential mortgage loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	892	866
Residential mortgage loans | Financial Asset, Not Past Due [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	404,308	384,202
Consumer loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	250	187
Loans and Leases Receivable, Gross, Total	56,555	54,874
Consumer loans | Past Due 30-89 Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	513	635
Consumer loans | Past Due 90+ Days
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans	106	132
Consumer loans | Financial Asset, Not Past Due [Member]
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Leases Receivable, Gross, Total	$ 55,686	$ 53,920

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