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Loans and Leases - Nonaccrual Loans (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	$ 17,539,000		$ 17,539,000		$ 15,101,000
Nonaccrual Loans and Leases	30,013,000		30,013,000		26,033,000
Loans and Leases Past Due Over 89 Days and Accruing	161,000		161,000		0
Interest 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	478,000		478,000		502,000
Nonaccrual Loans and Leases	803,000		803,000		533,000
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	478,000		478,000		502,000
Nonaccrual Loans and Leases	803,000		803,000		533,000
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	14,896,000		14,896,000		13,502,000
Nonaccrual Loans and Leases	15,901,000		15,901,000		13,893,000
Loans and Leases Past Due Over 89 Days and Accruing	161,000		161,000		0
Commercial real estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL					671,000
Nonaccrual Loans and Leases					671,000
Loans and Leases Past Due Over 89 Days and Accruing					0
Commercial real estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	219,000		219,000		348,000
Nonaccrual Loans and Leases	219,000		219,000		456,000
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	14,677,000		14,677,000		12,483,000
Nonaccrual Loans and Leases	15,682,000		15,682,000		12,766,000
Loans and Leases Past Due Over 89 Days and Accruing	161,000		161,000		0
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	2,165,000		2,165,000		1,096,000
Nonaccrual Loans and Leases	13,041,000		13,041,000		11,178,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	385,000		385,000		380,000
Nonaccrual Loans and Leases	2,357,000		2,357,000		2,459,000
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	1,780,000		1,780,000		716,000
Nonaccrual Loans and Leases	10,684,000		10,684,000		8,719,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		1,000
Nonaccrual Loans and Leases	268,000		268,000		429,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
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	117,000		117,000		183,000
Loans and Leases Past Due Over 89 Days and Accruing	0		0		0
Consumer and other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0		0		1,000
Nonaccrual Loans and Leases	151,000		151,000		246,000
Loans and Leases Past Due Over 89 Days and Accruing	$ 0		$ 0		$ 0

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