Schedule of Fair Value Measurements on Nonrecurring, Valuation Techniques (Details) - Fair Value, Nonrecurring [Member] $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Commercial Real Estate Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure	$ 5,046	$ 3,640
Fair Value Measurements, Valuation Techniques	Sales comparison	Sales comparison
Fair Value Measurements, Unobservable inputs	Adjustment to appraised value	Adjustment to appraised value
Fair Value Measurements Range		0.20
Commercial Real Estate Loans [Member] \| Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range	0.15
Commercial Real Estate Loans [Member] \| Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range	0.20
Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure	$ 90	$ 74
Fair Value Measurements, Valuation Techniques	Sales comparison	Sales comparison
Fair Value Measurements, Unobservable inputs	Adjustment to comparable sales	Adjustment to comparable sales
Commercial Loan [Member] \| Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range	0	0
Commercial Loan [Member] \| Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range	0.86	0.69
Agriculture loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure	$ 11	$ 9
Fair Value Measurements, Valuation Techniques	Sales comparison	Sales comparison
Fair Value Measurements, Unobservable inputs	Adjustment to appraised value	Adjustment to appraised value
Fair Value Measurements Range	0.25	0.20
One To Four Family Residential Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate owned Fair Value Disclosure		$ 48
Fair Value Measurements, Real estate owned Valuation Techniques		Sales comparison
Fair Value Measurements, Real estate owned Unobservable inputs		Adjustment to appraised value
Fair Value Measurements Real estate owned Range		10.00%

Fair Value Measurements, Valuation Techniques.

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Fair Value Measurements Real estate owned Range.

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Fair Value Measurements, Real estate owned Unobservable inputs.

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Fair Value Measurements, Real estate owned Valuation Techniques.

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- Definition

The range of Level 3 fair value measurements for impaired loans measured at fair value on a non-recurring basis.

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Fair Value Measurements, Unobservable inputs.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as impaired loans disclosure.

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Real estate owned Fair Value Disclosure.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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