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Loans and Related Allowance for Loan Losses (Troubled Debt Restructurings on Financing Receivables) (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
item
Dec. 31, 2019
USD ($)
item
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 3,802,000 $ 703,000
Restructured Loan [Member] | Accruing Troubled Debt Restructurings [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | item 3 2
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 3,165,000 $ 315,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 3,165,000 335,000
Financing Receivable, Modifications, Recorded Investment $ 3,147,000 $ 311,000
Restructured Loan [Member] | Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Accruing Troubled Debt Restructurings [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | item 2 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 3,161,000 $ 306,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 3,161,000 326,000
Financing Receivable, Modifications, Recorded Investment $ 3,143,000 $ 306,000
Restructured Loan [Member] | Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Accruing Troubled Debt Restructurings [Member]    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | item 1 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 4,000 $ 9,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 4,000 9,000
Financing Receivable, Modifications, Recorded Investment $ 4,000 $ 5,000