LOANS (Schedule of Investment in Nonaccrual and Loans Past Due Over 90 Days) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Impaired non-accrual loans	$ 28,881	$ 25,715
Loans Past Due Over 90 Days And Still Accruing Interest	0	0
Residential Portfolio Segment [Member] | Junior Lien [Member]
Impaired non-accrual loans	19	36
Loans Past Due Over 90 Days And Still Accruing Interest	0	0
Residential Portfolio Segment [Member] | Primary Residential Mortgages [Member]
Impaired non-accrual loans	4,533	5,215
Loans Past Due Over 90 Days And Still Accruing Interest	0	0
Residential Portfolio Segment [Member] | Home Equity Lines of Credit [Member]
Impaired non-accrual loans	3	235
Loans Past Due Over 90 Days And Still Accruing Interest	0	0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Property [Member]
Impaired non-accrual loans	379	1,574
Loans Past Due Over 90 Days And Still Accruing Interest	0	0
Commercial Real Estate Portfolio Segment [Member] | Investment Property [Member]
Impaired non-accrual loans	17,919	18,655
Loans Past Due Over 90 Days And Still Accruing Interest	0	$ 0
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Impaired non-accrual loans	6,028
Loans Past Due Over 90 Days And Still Accruing Interest	$ 0