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Loans and Allowance for Credit Losses (Provides Detail by Portfolio Class for Reportable MEFDs) (Details) - Modified Loans To Borrowers Experiencing Financial Difficulty [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 142,800		$ 162,800
Term Extension [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	7,451	$ 58,233
Reportable modified loans percentage of portfolio class		0.25%
Term Extension [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 3,949	$ 13,167
Reportable modified loans percentage of portfolio class	0.10%	0.33%
Term Extension [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 31
Reportable modified loans percentage of portfolio class	0.00%
Significant Payment Delay [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 16,305	$ 609
Reportable modified loans percentage of portfolio class	0.07%	0.00%
Significant Payment Delay [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance		$ 412
Reportable modified loans percentage of portfolio class		0.01%
Term Extensions and Significant Payment Delay [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 7,425
Reportable modified loans percentage of portfolio class	0.03%
Other [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 263
Reportable modified loans percentage of portfolio class	0.00%
Other [Member] | Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 263
Reportable modified loans percentage of portfolio class	0.01%
Total Commercial And Industrial [Member] | Term Extension [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 3,471	$ 45,066
Reportable modified loans percentage of portfolio class	0.03%	0.36%
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 3,471	$ 44,700
Reportable modified loans percentage of portfolio class	0.04%	0.46%
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Real Estate - Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance		$ 366
Reportable modified loans percentage of portfolio class		0.01%
Total Commercial And Industrial [Member] | Significant Payment Delay [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 16,305	$ 197
Reportable modified loans percentage of portfolio class	0.13%	0.00%
Total Commercial And Industrial [Member] | Significant Payment Delay [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 16,305	$ 197
Reportable modified loans percentage of portfolio class	0.17%	0.00%
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 7,425
Reportable modified loans percentage of portfolio class	0.06%
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member] | Commercial Non-Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Total reportable modified loans, Balance	$ 7,425
Reportable modified loans percentage of portfolio class	0.08%

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