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Loans and Allowance for Credit Losses (Effect on Loan Loss Provision as a Result of Changes in Methodology) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | $ 600 | $ 425
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | (329) | (6)
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | (248) | (329)
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | (241) | (80)
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | 1,018 | 71
Construction Loans [Member] | Commercial and Residential Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Provision for credit losses | $ 400 | $ 769

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