Troubled Debt Restructurings (Summary of Concession at the Time Of Modification) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($) Investments	Mar. 31, 2020 USD ($) Investments
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	1	5
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans	1	5
Pre-modification outstanding recorded investment \| $	$ 153	$ 2,881
Post-modification outstanding recorded investment \| $	$ 153	$ 2,881
Consumer Loan [Member] \| Real Estate Loan [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	1	1
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans	1	1
Pre-modification outstanding recorded investment \| $	$ 153	$ 322
Post-modification outstanding recorded investment \| $	$ 153	$ 322
Consumer Loan [Member] \| Home Equity Loan [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession		3
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans		3
Pre-modification outstanding recorded investment \| $		$ 1,522
Post-modification outstanding recorded investment \| $		$ 1,522
Commercial Loan [Member] \| Business [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession		1
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans		1
Pre-modification outstanding recorded investment \| $		$ 1,037
Post-modification outstanding recorded investment \| $		$ 1,037