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Loans (Performance of Loans that are Modified to Borrowers Experiencing Financial Difficulty) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	$ 4,488,711	$ 4,431,163
Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	546
Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	140
Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	323
Commercial Business [Member] | Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Business [Member] | Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Business [Member] | Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | Current | Construction [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | Current | Multifamily [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | Current | Non-Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | Current | Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 30-89 Days Past Due | Construction [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 30-89 Days Past Due | Multifamily [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 30-89 Days Past Due | Non-Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 30-89 Days Past Due | Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 90+ Days Past Due | Construction [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 90+ Days Past Due | Multifamily [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 90+ Days Past Due | Non-Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Commercial Mortgage [Member] | Extended Maturity [Member] | 90+ Days Past Due | Owner Occupied [Member]
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Residential Real Estate Loans [Member] | Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	546
Residential Real Estate Loans [Member] | Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	140
Residential Real Estate Loans [Member] | Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	323
Residential Real Estate Lines [Member] | Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Residential Real Estate Lines [Member] | Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Residential Real Estate Lines [Member] | Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Consumer Indirect [Member] | Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Consumer Indirect [Member] | Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Consumer Indirect [Member] | Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Other Consumer [Member] | Extended Maturity [Member] | Current
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Other Consumer [Member] | Extended Maturity [Member] | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	0
Other Consumer [Member] | Extended Maturity [Member] | 90+ Days Past Due
Financing Receivable, Modified [Line Items]
Financing receivables, amortized cost basis	$ 0

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