LOANS AND LEASES (Schedule of Investment in Nonaccrual and Loans Past Due Over 90 Days) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Impaired non-accrual loans	$ 24,892	$ 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	33	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	4,857	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	195	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	1,514	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	18,293	18,655
Loans Past Due Over 90 Days And Still Accruing Interest	$ 0	$ 0