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Loans and Leases - Schedule of Loans and Leases on Nonaccrual Loans (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	$ 9,047,000		$ 9,047,000		$ 26,127,000
Nonaccrual Loans and Leases	52,805,000		52,805,000		50,548,000
Loans and Leases Past Due Over 89 Days and Accruing	166,000		166,000		323,000
Interest income on nonaccrual loans	0	$ 0	0	$ 0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	4,978,000		4,978,000		1,542,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial and Industrial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	0		0		519,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial and Industrial | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	4,978,000		4,978,000		1,023,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	6,543,000		6,543,000		24,179,000
Nonaccrual Loans and Leases	31,122,000		31,122,000		32,590,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial Real Estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	95,000		95,000		129,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial Real Estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	17,302,000		17,302,000		0
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Commercial Real Estate | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	6,543,000		6,543,000		24,179,000
Nonaccrual Loans and Leases	13,725,000		13,725,000		32,461,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	2,504,000		2,504,000		1,948,000
Nonaccrual Loans and Leases	16,611,000		16,611,000		16,278,000
Loans and Leases Past Due Over 89 Days and Accruing	1,000		1,000		9,000
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	232,000		232,000		610,000
Nonaccrual Loans and Leases	2,700,000		2,700,000		2,889,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Residential real estate | Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	2,272,000		2,272,000		1,338,000
Nonaccrual Loans and Leases	13,911,000		13,911,000		13,389,000
Loans and Leases Past Due Over 89 Days and Accruing	1,000		1,000		9,000
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	94,000		94,000		138,000
Loans and Leases Past Due Over 89 Days and Accruing	165,000		165,000		314,000
Consumer and other | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	90,000		90,000		125,000
Loans and Leases Past Due Over 89 Days and Accruing	165,000		165,000		314,000
Consumer and other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	4,000		4,000		13,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		0
Nonaccrual Loans and Leases	0		0		0
Loans and Leases Past Due Over 89 Days and Accruing	$ 0		$ 0		$ 0

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