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, 2025	Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	$ 104,214	$ 97,335
Nonaccrual without allowance for loan loss	8,568	12,957
Total Commercial [Member] \| Commercial Real Estate - Income Producing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	5,968	356
Nonaccrual without allowance for loan loss	4,516
Total Commercial [Member] \| Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	1,851	5,561
Nonaccrual without allowance for loan loss	928	4,929
Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	46,404	44,086
Nonaccrual without allowance for loan loss	1,462	1,475
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	11,058	11,187
Nonaccrual without allowance for loan loss	670	500
Total Commercial And Industrial [Member] \| Total Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	38,933	36,145
Nonaccrual without allowance for loan loss	992	6,053
Total Commercial And Industrial [Member] \| Total Commercial [Member] \| Commercial Non-Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	34,654	33,418
Nonaccrual without allowance for loan loss	470	4,855
Total Commercial And Industrial [Member] \| Total Commercial [Member] \| Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	4,279	2,727
Nonaccrual without allowance for loan loss	$ 522	$ 1,198

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

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