ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Amortized Cost Basis Of Collateral Dependent Loans (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	$ 5,207
General Business  Assets	11,934
Other	1,390
Total	18,531
Commercial and industrial loans | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0
General Business  Assets	441
Other	0
Total	441
Commercial and industrial loans | Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,663
General Business  Assets	9,670
Other	229
Total	11,562
Commercial real estate and multi-family residential loans | Owner occupied loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,959
General Business  Assets	1,678
Other	1,161
Total	4,798
Agri-business and agricultural loans | Loans secured by farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	0
General Business  Assets	145
Other	0
Total	145
Consumer 1-4 family loans | Closed end first mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Real Estate	1,585
General Business  Assets	0
Other	0
Total	$ 1,585