Contractual Obligations, Commitments and Contingent Liabilities (Schedule of Commitments) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Commitments [Line Items]
Other Commitment	$ 219,118	$ 156,926
Residential mortgage- home equity [Member]
Other Commitments [Line Items]
Other Commitment	59,615	53,827
Residential Mortgage - Construction [Member]
Other Commitments [Line Items]
Other Commitment	12,220	4,995
Commercial Loan [Member]
Other Commitments [Line Items]
Other Commitment	125,294	85,089
Consumer Loan - Personal Credit Lines [Member]
Other Commitments [Line Items]
Other Commitment	4,314	3,903
Standby Letters of Credit [Member]
Other Commitments [Line Items]
Other Commitment	$ 17,675	$ 9,112