LOANS AND ALLOWANCE FOR CREDIT LOSSES - Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Allowance for loan losses
Loans and Leases Receivable, Net Amount	$ 2,917,398	$ 2,876,830
Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	6,186	6,433
Other Collateral Loans
Allowance for loan losses
Loans and Leases Receivable, Net Amount	1,610	116
Commercial real estate owner occupied | Total commercial real estate | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	432	439
Commercial real estate non-owner occupied | Total commercial real estate | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	529	550
Commercial and industrial | Total commercial and industrial | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	222	91
Commercial and industrial | Total commercial and industrial | Other Collateral Loans
Allowance for loan losses
Loans and Leases Receivable, Net Amount	1,610	116
Residential mortgages | Total residential real estate | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	4,066	4,385
Home equity | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	933	963
Other consumer | Total consumer | Real Estate
Allowance for loan losses
Loans and Leases Receivable, Net Amount	$ 4	$ 5