LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Recorded investment in non-accrual loans by class (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 3,120	$ 4,058
Recorded investments	3,100	3,600
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	15	50
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans		479
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 3,105	$ 3,529