Loans (Summary of Collateral Dependent Loans) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on business assets	$ 2,379
Collateral dependent loans on real property	36,625
Collateral dependent loans	39,004
Collateral dependent loan with specific reserve	9,570
Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on business assets	2,379
Collateral dependent loans	2,379
Collateral dependent loan with specific reserve	1,383
Commercial Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Collateral dependent loans on real property	36,625
Collateral dependent loans	36,625
Collateral dependent loan with specific reserve	$ 8,187