Amount excluding accrued interest, of allowance for credit loss on financing receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
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Amount, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
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No definition available.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247

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Summary of Significant Accounting Policies (Impact of ASC 326 in Balance Sheet as January 1, 2020) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	$ 3,007,926	$ 3,091,998		$ 3,081,973
Allowance for Credit Losses on Loans	(37,017)	(46,859)	$ (31,931)	(16,278)	$ (15,823)
Allowance for Credit Losses on Unfunded Loan Commitments			(173)
Commercial and Industrial Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	493,005	638,773	534,692	589,758
Allowance for Credit Losses on Loans	(9,554)	(6,445)		(4,799)
Commercial Real Estate Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	1,530,677	1,467,397	1,500,247	1,495,862
Allowance for Credit Losses on Loans	(19,245)	(29,878)		(4,692)	(5,291)
Agricultural Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	358,150	376,186	384,654	384,526
Allowance for Credit Losses on Loans	(4,505)	(6,756)		(5,315)	(5,776)
Leases
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	55,345	55,664	57,257
Allowance for Credit Losses on Loans	(200)	(200)		0
Home Equity Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	222,525	219,348	225,790	225,755
Allowance for Credit Losses on Loans	(1,061)	(996)		(200)	(229)
Consumer Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	70,302	66,717	69,264	81,217
Allowance for Credit Losses on Loans	(507)	(490)		(434)	(420)
Credit Cards
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	14,357	11,637	11,953
Allowance for Credit Losses on Loans	(240)	(150)		0
Residential Mortgage Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans	263,565	256,276	305,002	304,855
Allowance for Credit Losses on Loans	$ (1,705)	$ (1,944)		(333)	$ (472)
Adjusted Balance
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				3,081,973
Allowance for Credit Losses on Loans				(16,278)
Allowance for Credit Losses on Unfunded Loan Commitments				0
Adjusted Balance \| Commercial and Industrial Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				532,501
Adjusted Balance \| Commercial Real Estate Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				1,495,862
Adjusted Balance \| Agricultural Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				384,526
Adjusted Balance \| Leases
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				57,257
Adjusted Balance \| Home Equity Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				225,755
Adjusted Balance \| Consumer Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				69,264
Adjusted Balance \| Credit Cards
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				11,953
Adjusted Balance \| Residential Mortgage Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				304,855
Impact of ASC 326 Adoption
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans				0
Allowance for Credit Losses on Loans			(15,653)
Allowance for Credit Losses on Unfunded Loan Commitments			(173)
Impact of ASC 326 Adoption \| Commercial and Industrial Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			2,191	(57,257)
Impact of ASC 326 Adoption \| Commercial Real Estate Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			4,385
Impact of ASC 326 Adoption \| Agricultural Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			128
Impact of ASC 326 Adoption \| Leases
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			0	57,257
Impact of ASC 326 Adoption \| Home Equity Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			35
Impact of ASC 326 Adoption \| Consumer Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			0	(11,953)
Impact of ASC 326 Adoption \| Credit Cards
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			0	$ 11,953
Impact of ASC 326 Adoption \| Residential Mortgage Loans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loans			$ 147