LOANS AND ALLOWANCE FOR CREDIT LOSSES - NON-PERFORMING LOANS (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Non-performing loans and non-performing assets disclosures
Loans on nonaccrual status	$ 16,168	$ 20,504
Loans past due 90 days or more and still on accrual	42	48
Total nonperforming loans	16,210	20,552
Other real estate owned	1,687	1,792
Total nonperforming assets	$ 17,897	$ 22,344
Credit Quality Ratios - Total Company:
Nonperforming loans to total loans (as percent)	0.37%	0.46%
Nonperforming assets to total loans (including OREO) (as percent)	0.41%	0.50%
Nonperforming assets to total assets (as percent)	0.29%	0.37%
Core Banking Activities
Non-performing loans and non-performing assets disclosures
Loans on nonaccrual status	$ 16,168	$ 20,504
Loans past due 90 days or more and still on accrual		$ 1
Credit Quality Ratios - Total Company:
Nonperforming loans to total loans (as percent)	0.38%	0.47%
Nonperforming assets to total loans (including OREO) (as percent)	0.42%	0.51%
Nonperforming assets to total assets (as percent)	0.32%	0.40%