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Loans And Allowance For Credit Losses (Modified Amortized Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 66,870	$ 136,328
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.30%	0.80%
Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 65,145	$ 131,497
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	801	3,884
Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	924	947
Commercial Portfolio Segment [Member] | Business Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 62,272	$ 54,539
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.90%	0.90%
Commercial Portfolio Segment [Member] | Business Loan [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 62,272	$ 54,539
Commercial Portfolio Segment [Member] | Business Loan [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Commercial Portfolio Segment [Member] | Business Loan [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Commercial Portfolio Segment [Member] | Real Estate - construction and land [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 2,340
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.10%
Commercial Portfolio Segment [Member] | Real Estate - construction and land [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 2,340
Commercial Portfolio Segment [Member] | Real Estate - construction and land [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0
Commercial Portfolio Segment [Member] | Real Estate - construction and land [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 533	$ 76,958
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.00%	2.10%
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 533	$ 76,958
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 801	$ 3,884
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.00%	0.10%
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 0
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	801	3,884
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 22	$ 67
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.00%	0.00%
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 0
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	22	67
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 902	$ 880
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage	0.20%	0.20%
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 0
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] | Interest Rate Below Market Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified in Period, Amount	$ 902	$ 880

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