LOANS AND LEASES (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Unpaid Principal Balance
With no related allowance recorded	$ 7,454	$ 14,148
With related allowance recorded	21,023	5,162
Total loans individually evaluated for impairment	28,477	19,310
Recorded Investment
With no related allowance recorded	5,318	11,042
With related allowance recorded	21,023	5,162
Total loans individually evaluated for impairment	26,341	16,204
Specific Reserves	7,217	2,703
Average Impaired Loans
With no related allowance recorded	5,642	14,319
With related allowance recorded	2,699	4,666
Total loans individually evaluated for impairment	8,341	18,985
Residential Portfolio Segment [Member] \| Primary Residential Mortgages [Member]
Unpaid Principal Balance
With no related allowance recorded	1,947	1,601
With related allowance recorded	1,136	162
Recorded Investment
With no related allowance recorded	1,750	1,328
With related allowance recorded	1,136	162
Specific Reserves	80	3
Average Impaired Loans
With no related allowance recorded	1,789	5,544
With related allowance recorded	489	526
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Property [Member]
Unpaid Principal Balance
With no related allowance recorded	521	817
Recorded Investment
With no related allowance recorded	494	807
Average Impaired Loans
With no related allowance recorded	564	516
Commercial Real Estate Portfolio Segment [Member] \| Investment Property [Member]
Unpaid Principal Balance
With no related allowance recorded		4,593
With related allowance recorded	19,887
Recorded Investment
With no related allowance recorded		4,593
With related allowance recorded	19,887
Specific Reserves	7,137
Average Impaired Loans
With no related allowance recorded		6,582
With related allowance recorded	2,210
Commercial Portfolio Segment [Member] \| Commercial and Industrial Sector [Member]
Unpaid Principal Balance
With no related allowance recorded	4,986	7,137
With related allowance recorded		5,000
Recorded Investment
With no related allowance recorded	3,074	4,314
With related allowance recorded		5,000
Specific Reserves		2,700
Average Impaired Loans
With no related allowance recorded	$ 3,289	1,677
With related allowance recorded		$ 4,140

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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