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Loans, Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 20,858	$ 12,187
Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	17,847	9,244
Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,156	2,242
None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	855	701
Real Estate Loans [Member] | Mortgages [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,517	2,961
Real Estate Loans [Member] | Mortgages [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,517	2,961
Real Estate Loans [Member] | Mortgages [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Home Equity [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	148	121
Real Estate Loans [Member] | Home Equity [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	148	121
Real Estate Loans [Member] | Home Equity [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Commercial [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	10,818	1,135
Real Estate Loans [Member] | Commercial [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	10,818	1,135
Real Estate Loans [Member] | Commercial [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Agricultural [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,416	2,670
Real Estate Loans [Member] | Agricultural [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	2,416	2,670
Real Estate Loans [Member] | Agricultural [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Real Estate Loans [Member] | Construction [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,948	2,357
Real Estate Loans [Member] | Construction [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,948	2,357
Real Estate Loans [Member] | Construction [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	855	701
Consumer [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Consumer [Member] | None [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	855	701
Other Commercial Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,962	1,750
Other Commercial Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Commercial Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	1,962	1,750
Other Agricultural Loans [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	194	492
Other Agricultural Loans [Member] | Real Estate [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	0	0
Other Agricultural Loans [Member] | Business Assets [Member]
Amortized Cost Basis of Collateral-Dependent Nonaccrual Loans [Abstract]
Financing Receivable, Nonaccrual	$ 194	$ 492

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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