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Schedule of Fair Value Measurements On Nonrecurring, Valuation Techniques (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
One To Four Family Residential Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure	$ 87	$ 240
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	0.00%
Real estate owned Fair Value Disclosure	$ 1,488
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%
One To Four Family Residential Real Estate [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		0.00%
One To Four Family Residential Real Estate [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		25.00%
Commercial Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure	$ 78	$ 678
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	0.00%	0.00%
Commercial Loan [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range	68.00%	75.00%
Commercial Real Estate Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure		$ 100
Fair Value Measurements, Valuation Techniques		Sales comparison
Fair Value Measurements, Unobservable inputs		Adjustment to appraised value
Commercial Real Estate Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		0.00%
Commercial Real Estate Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		15.00%
Agriculture loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired Loans Fair Value Disclosure		$ 405
Fair Value Measurements, Valuation Techniques		Sales comparison
Fair Value Measurements, Unobservable inputs		Adjustment to appraised valu
Agriculture loan [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		0.00%
Agriculture loan [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Range		30.00%

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

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