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Loans and Allowance for Credit Losses - Recorded Balance of Troubled Debt Restructurings (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	$ 9,502,000	$ 5,803,000
Financing Receivable Modifications Performing Recorded Investment	4,373,000	2,701,000
Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	6,773,000	3,651,000
Financing Receivable Modifications Performing Recorded Investment	4,313,000	2,528,000
Residential Properties | Real Estate Loan | 1-4 Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	1,603,000	1,905,000
Financing Receivable Modifications Performing Recorded Investment	1,268,000	1,382,000
Commercial | Real Estate Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	5,170,000	1,746,000
Financing Receivable Modifications Performing Recorded Investment	3,045,000	1,146,000
Agricultural Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	228,000	669,000
Financing Receivable Modifications Performing Recorded Investment	0	40,000
Commercial and Industrial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	2,389,000	1,349,000
Financing Receivable Modifications Performing Recorded Investment	58,000	128,000
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings Balance	112,000	134,000
Financing Receivable Modifications Performing Recorded Investment	$ 2,000	$ 5,000

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings and are still accruing interest.

+ References

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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