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Schedule of Troubled Debt Restructurings On Financing Receivables (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($) Number	Dec. 31, 2020 USD ($) Number
One To Four Family Residential Real Estate Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	2	2
Financing receivable, modifications, recorded investment, non accrual balance
Financing receivable, modifications, recorded investment, accruing balance	$ 163	$ 165
Construction and Land Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	4	5
Financing receivable, modifications, recorded investment, non accrual balance	$ 691	$ 693
Financing receivable, modifications, recorded investment, accruing balance	$ 336	$ 443
Commercial Real Estate Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	2	2
Financing receivable, modifications, recorded investment, non accrual balance	$ 1,227	$ 1,227
Financing receivable, modifications, recorded investment, accruing balance
Commercial Loan [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	8	7
Financing receivable, modifications, recorded investment, non accrual balance	$ 80	$ 33
Financing receivable, modifications, recorded investment, accruing balance	$ 732	$ 765
Agriculture loan [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	4	4
Financing receivable, modifications, recorded investment, non accrual balance
Financing receivable, modifications, recorded investment, accruing balance	$ 476	$ 538
Municipal Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	1	1
Financing receivable, modifications, recorded investment, non accrual balance
Financing receivable, modifications, recorded investment, accruing balance	$ 36	$ 36
Troubled Debt Restructurings [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Troubled debt restructurings, Number of loans | Number	21	21
Financing receivable, modifications, recorded investment, non accrual balance	$ 1,998	$ 1,953
Financing receivable, modifications, recorded investment, accruing balance	$ 1,743	$ 1,947

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- Definition

The amount of the outstanding recorded investment related to accruing balance of financing receivables that have been modified by troubled debt restructurings.

+ References

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount of financing receivable on nonaccrual status.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

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