LOANS AND LEASES (Schedule of Investment in Nonaccrual and Loans Past Due Over 90 Days) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Impaired non-accrual loans	$ 25,925	$ 11,410
Loans Past Due 90 Days or Over And Still Accruing Interest	0	0
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Impaired non-accrual loans	2,495	1,328
Loans Past Due 90 Days or Over And Still Accruing Interest	0	0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Impaired non-accrual loans	494	807
Loans Past Due 90 Days or Over And Still Accruing Interest	0	0
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Impaired non-accrual loans	19,887
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Impaired non-accrual loans	3,049	9,275
Loans Past Due 90 Days or Over And Still Accruing Interest	$ 0	$ 0