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Loans and Allowance for Credit Losses (Composition of Nonaccrual Loans and Without an Allowance for Loan Loss by Portfolio Class) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | $ 54,344 | $ 38,991
Nonaccrual without allowance for loan loss | 13,212 | 4,691
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 1,501 | 1,240
Nonaccrual without allowance for loan loss | 1,120 | 1,174
Total Commercial [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 340 | 309
Residential Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 30,111 | 25,269
Nonaccrual without allowance for loan loss | 1,135 | 1,884
Consumer [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 6,697 | 6,692
Total Commercial And Industrial [Member] | Total Commercial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 15,695 | 5,481
Nonaccrual without allowance for loan loss | 10,957 | 1,633
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 13,302 | 4,020
Nonaccrual without allowance for loan loss | 10,273 | 941
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 2,393 | 1,461
Nonaccrual without allowance for loan loss | $ 684 | $ 692

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