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Loans and Allowance for Loan Losses (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2018
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Impaired financing receivable loan balance charged off |  |  | $ 10,600,000 |  | $ 8,700,000 |  |  |
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans |  |  | 264,000 | $ 171,000 |  |  |  |
Loans and leases receivable, allowance | $ 8,366,000 | $ 6,279,000 | 8,366,000 | 6,279,000 | 6,467,000 | $ 7,747,000 | $ 6,266,000 | $ 5,765,000
One To Four Family Residential Real Estate [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Loans and leases receivable, allowance | 831,000 | 675,000 | 831,000 | 675,000 | 501,000 | $ 707,000 | $ 441,000 | $ 449,000
One To Four Family Residential Real Estate [Member] | Short-Term Repayment Plans [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Payments for Loans |  |  | 982,000 |  |  |  |  |
In connection with COVID-19 pandemic [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Loans Payable | 22,900,000 |  | 22,900,000 |  |  |  |  |
Three Borrowers [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Loans Payable | 35,700,000 |  | 35,700,000 |  |  |  |  |
107 Loans [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Loans Payable | 6,800,000 |  | 6,800,000 |  |  |  |  |
Trouble Debt Restructurings [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Provision For Loan Losses Reversal |  | $ 1,000 |  | $ 1,000 |  |  |  |
Loans and leases receivable, allowance | 9,000 |  | 9,000 |  | $ 9,000 |  |  |
Trouble Debt Restructurings [Member] | Agriculture Loans [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Repayments of Debt |  |  | 571,000 |  |  |  |  |
Trouble Debt Restructurings [Member] | Commercial Loan [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Repayments of Debt | $ 33,000 |  |  |  |  |  |  |
Trouble Debt Restructurings [Member] | Commercial Real Estate Loan and Construction Loan [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Repayments of Debt |  |  | 1,400,000 |  |  |  |  |
Trouble Debt Restructurings [Member] | Five Loans [Member] |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Proceeds from Loans |  |  | $ 827,000 |  |  |  |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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