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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 | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | $ 82,866 | $ 59,036
Nonaccrual without allowance for loan loss | 11,810 | 13,637
Total Commercial [Member] | Commercial Real Estate - Income Producing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 1,918 | 461
Nonaccrual without allowance for loan loss | 1,679 |
Total Commercial [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 6,316 | 815
Nonaccrual without allowance for loan loss | 5,694 |
Residential Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 39,112 | 26,137
Consumer [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 11,234 | 8,555
Nonaccrual without allowance for loan loss | 2,599 |
Total Commercial And Industrial [Member] | Total Commercial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 24,286 | 23,068
Nonaccrual without allowance for loan loss | 1,838 | 13,637
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Non-Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 21,397 | 20,840
Nonaccrual without allowance for loan loss | 1,838 | 13,637
Total Commercial And Industrial [Member] | Total Commercial [Member] | Commercial Real Estate - Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Nonaccrual | 2,889 | $ 2,228
Nonaccrual without allowance for loan loss | $ 0 |

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