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Loans and Leases - Nonaccrual Loans (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	$ 10,728,000	$ 15,193,000
Nonaccrual Loans and Leases	28,424,000	28,289,000
Loans and Leases Past Due Over 89 Days and Accruing	13,000	25,000
Interest on nonaccrual loans	0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	411,000
Nonaccrual Loans and Leases	923,000	618,000
Loans and Leases Past Due Over 89 Days and Accruing	0	25,000
Commercial and industrial | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0
Nonaccrual Loans and Leases	17,000
Loans and Leases Past Due Over 89 Days and Accruing	0
Commercial and industrial | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	411,000
Nonaccrual Loans and Leases	906,000	618,000
Loans and Leases Past Due Over 89 Days and Accruing	0	25,000
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	10,547,000	13,287,000
Nonaccrual Loans and Leases	12,380,000	13,858,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Commercial real estate | Agriculture
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	186,000
Nonaccrual Loans and Leases	183,000	186,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Commercial real estate | Commercial and industrial other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	10,547,000	13,101,000
Nonaccrual Loans and Leases	12,197,000	13,672,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	181,000	1,495,000
Nonaccrual Loans and Leases	14,869,000	13,544,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	318,000
Nonaccrual Loans and Leases	2,547,000	2,391,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Residential real estate | Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	181,000	1,177,000
Nonaccrual Loans and Leases	12,322,000	11,153,000
Loans and Leases Past Due Over 89 Days and Accruing	0	0
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	0
Nonaccrual Loans and Leases	252,000	269,000
Loans and Leases Past Due Over 89 Days and Accruing	13,000	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
Nonaccrual Loans and Leases	174,000	175,000
Loans and Leases Past Due Over 89 Days and Accruing	13,000	0
Consumer and other | Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans and Leases with no ACL	0	0
Nonaccrual Loans and Leases	78,000	94,000
Loans and Leases Past Due Over 89 Days and Accruing	$ 0	$ 0

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Amount of interest income on financing receivable on nonaccrual status.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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