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

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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