LOANS AND LEASES - Collateral (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans		$ 59,600
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans		27,480
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans		15,162
Impaired Financing Receivables With Related Allowance [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	$ 33,311
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate-investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	4,267
Impaired Financing Receivables With Related Allowance [Member] | Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	17,081
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	1,252
Impaired Financing Receivables With Related Allowance [Member] | Asset Pledged as Collateral
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	10,711
Impaired Financing Receivables With Related Allowance [Member] | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	23,586	10,754
Impaired Financing Receivables With Related Allowance [Member] | Commercial | Commercial real estate-investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial | Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	12,875
Impaired Financing Receivables With Related Allowance [Member] | Commercial | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial | Asset Pledged as Collateral
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	10,711
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate - investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	8,473
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate - investor | Commercial real estate-investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	4,267
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate - investor | Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	4,206
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate - investor | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial real estate - investor | Asset Pledged as Collateral
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial Real Estate-Owner
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial Real Estate-Owner | Commercial real estate-investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial Real Estate-Owner | Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial Real Estate-Owner | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Commercial Real Estate-Owner | Asset Pledged as Collateral
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	1,252	$ 294
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate | Commercial real estate-investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate | Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	0
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	1,252
Impaired Financing Receivables With Related Allowance [Member] | Residential real estate | Asset Pledged as Collateral
Financing Receivable, Allowance for Credit Loss [Line Items]
Total impaired loans	$ 0