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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%

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