Loans and Allowance for Credit Losses (Composition of Nonaccrual Loans and Without an Allowance for Loan Loss by Portfolio Class) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	$ 94,922	$ 97,335
Nonaccrual without allowance for loan loss	11,261	12,957
Total Commercial [Member] \| Commercial Real Estate - Income Producing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	5,935	356
Nonaccrual without allowance for loan loss	4,519
Total Commercial [Member] \| Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	1,932	5,561
Nonaccrual without allowance for loan loss		4,929
Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	41,300	44,086
Nonaccrual without allowance for loan loss	1,450	1,475
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	10,260	11,187
Nonaccrual without allowance for loan loss	171	500
Total Commercial And Industrial [Member] \| Total Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Nonaccrual	35,495	36,145
Nonaccrual without allowance for loan loss	5,121	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	31,906	33,418
Nonaccrual without allowance for loan loss	4,599	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	3,589	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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