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LOANS AND LEASES (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Unpaid Principal Balance
With no related allowance recorded	$ 9,994	$ 14,148
With related allowance recorded	5,160	5,162
Total loans individually evaluated for impairment	15,154	19,310
Recorded Investment
With no related allowance recorded	6,804	11,042
With related allowance recorded	5,160	5,162
Total loans individually evaluated for impairment	11,964	16,204
Specific Reserves	3,201	2,703
Average Impaired Loans
With no related allowance recorded	6,422	14,319
With related allowance recorded	5,161	4,666
Total loans individually evaluated for impairment	11,583	18,985
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Unpaid Principal Balance
With no related allowance recorded	2,384	1,601
With related allowance recorded	160	162
Recorded Investment
With no related allowance recorded	2,104	1,328
With related allowance recorded	160	162
Specific Reserves	1	3
Average Impaired Loans
With no related allowance recorded	1,579	5,544
With related allowance recorded	161	526
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Unpaid Principal Balance
With no related allowance recorded	577	817
Recorded Investment
With no related allowance recorded	564	807
Average Impaired Loans
With no related allowance recorded	645	516
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Unpaid Principal Balance
With no related allowance recorded		4,593
Recorded Investment
With no related allowance recorded		4,593
Average Impaired Loans
With no related allowance recorded		6,582
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Unpaid Principal Balance
With no related allowance recorded	7,033	7,137
With related allowance recorded	5,000	5,000
Recorded Investment
With no related allowance recorded	4,136	4,314
With related allowance recorded	5,000	5,000
Specific Reserves	3,200	2,700
Average Impaired Loans
With no related allowance recorded	4,198	1,677
With related allowance recorded	$ 5,000	$ 4,140

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