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Loans and Allowance for Loan Losses (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Past Due [Line Items]
increase in impaired loan balance	$ 3,800,000
Impaired loan balance	12,462,000	$ 8,680,000	$ 8,691,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	380,000	230,000	254,000
Interest income realted to non-accural loans	0	0	0
Loan classified as TDRs	3,900,000	3,600,000
Restructuring charge-off	50,000
Impairment on loan	8,000
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	10,000
Loans and Leases Receivable, Allowance	8,775,000	6,467,000	5,765,000	$ 5,459,000
COVID-19 [Member]
Financing Receivable, Past Due [Line Items]
Loan classified as TDRs	7,200,000
Agriculture loan [Member]
Financing Receivable, Past Due [Line Items]
Loan classified as TDRs			64,000
One To Four Family Residential Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Loans and Leases Receivable, Allowance			449,000	$ 542,000
Commercial Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Loan classified as TDRs	742,000		36,000
Commercial Portfolio Segment [Member] | COVID-19 [Member]
Financing Receivable, Past Due [Line Items]
Loan classified as TDRs	3,700,000
Restructuring Agreements [Member]
Financing Receivable, Past Due [Line Items]
Loan classified as TDRs	1,600,000
Short-Term Repayment Plans [Member] | One To Four Family Residential Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Payments for Loans	366,000
Trouble Debt Restructurings [Member]
Financing Receivable, Past Due [Line Items]
Provision For Loan Losses Reversal	1,000	1,000	$ 117,000
Loans and Leases Receivable, Allowance	8,000	$ 9,000
Trouble Debt Restructurings [Member] | Agriculture Loans [Member]
Financing Receivable, Past Due [Line Items]
Repayments of Debt	$ 156,000

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Amount of financing receivable modified as troubled debt restructuring.

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Reflects the amount of the write-down related to a troubled debt restructuring.

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The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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