LOANS AND LEASES (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Unpaid Principal Balance
With no related allowance recorded	$ 18,204	$ 17,520
With related allowance recorded	21,955	22,112
Total loans individually evaluated for impairment	40,159	39,632
Recorded Investment
With no related allowance recorded	15,320	14,610
With related allowance recorded	21,049	21,314
Total loans individually evaluated for impairment	36,369	35,924
Specific Reserves	6,342	2,800
Average Impaired Loans
With no related allowance recorded	14,957	22,506
With related allowance recorded	21,087	9,528
Total loans individually evaluated for impairment	36,044	32,034
Residential Portfolio Segment [Member] \| Junior Lien [Member]
Unpaid Principal Balance
With no related allowance recorded	90	92
Recorded Investment
With no related allowance recorded	15	19
Average Impaired Loans
With no related allowance recorded	18	29
Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Unpaid Principal Balance
With no related allowance recorded	7,643	7,310
With related allowance recorded	662	819
Recorded Investment
With no related allowance recorded	6,436	6,071
With related allowance recorded	662	819
Specific Reserves	58	215
Average Impaired Loans
With no related allowance recorded	6,303	7,186
With related allowance recorded	664	1,011
Residential Portfolio Segment [Member] \| Home Equity Lines of Credit [Member]
Unpaid Principal Balance
With no related allowance recorded	5	5
Recorded Investment
With no related allowance recorded	2	3
Average Impaired Loans
With no related allowance recorded	2	77
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Property [Member]
Unpaid Principal Balance
With no related allowance recorded	443	450
Recorded Investment
With no related allowance recorded	368	379
Average Impaired Loans
With no related allowance recorded	370	1,099
Commercial Real Estate Portfolio Segment [Member] \| Investment Property [Member]
Unpaid Principal Balance
With no related allowance recorded	9,632	9,663
With related allowance recorded	15,064	15,064
Recorded Investment
With no related allowance recorded	8,108	8,138
With related allowance recorded	14,446	14,467
Specific Reserves	4,000	1,000
Average Impaired Loans
With no related allowance recorded	8,118	14,115
With related allowance recorded	14,453	4,832
Commercial Portfolio Segment [Member] \| Commercial and Industrial Sector [Member]
Unpaid Principal Balance
With no related allowance recorded	391
With related allowance recorded	6,229	6,229
Recorded Investment
With no related allowance recorded	391
With related allowance recorded	5,941	6,028
Specific Reserves	2,284	1,585
Average Impaired Loans
With no related allowance recorded	146
With related allowance recorded	$ 5,970	$ 3,685

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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