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Schedule of Impaired Financing Receivables (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	$ 8,844,000	$ 14,763,000	$ 10,800,000
Impaired loan balance	6,718,000	12,462,000	8,680,000
Impaired loans without an allowance	6,209,000	8,473,000	6,524,000
Impaired loans with an allowance	509,000	3,989,000	2,156,000
Related allowance recorded	504,000	266,000	733,000
Year-to-date average loan balance	7,425,000	12,948,000	9,104,000
Year-to-date interest income recognized	167,000	148,000	584,000
One-to-four Family Residential Real Estate Loans [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	578,000	914,000	1,297,000
Impaired loan balance	578,000	914,000	1,256,000
Impaired loans without an allowance	578,000	914,000	887,000
Impaired loans with an allowance			369,000
Related allowance recorded			129,000
Year-to-date average loan balance	590,000	925,000	1,291,000
Year-to-date interest income recognized	8,000	3,000	10,000
Construction and Land Loans [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	2,401,000	2,872,000	3,214,000
Impaired loan balance	794,000	1,137,000	1,479,000
Impaired loans without an allowance	794,000	1,137,000	1,288,000
Impaired loans with an allowance			191,000
Related allowance recorded			191,000
Year-to-date average loan balance	895,000	1,211,000	1,631,000
Year-to-date interest income recognized	16,000	26,000	36,000
Commercial Real Estate Loans [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	2,214,000	8,119,000	3,461,000
Impaired loan balance	2,214,000	8,119,000	3,461,000
Impaired loans without an allowance	2,214,000	4,302,000	3,258,000
Impaired loans with an allowance		3,817,000	203,000
Related allowance recorded		177,000	103,000
Year-to-date average loan balance	2,388,000	8,152,000	3,489,000
Year-to-date interest income recognized	37,000	8,000	478,000
Commercial Loan [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	1,380,000	1,990,000	1,427,000
Impaired loan balance	1,029,000	1,639,000	1,298,000
Impaired loans without an allowance	520,000	1,543,000	416,000
Impaired loans with an allowance	509,000	96,000	882,000
Related allowance recorded	504,000	22,000	204,000
Year-to-date average loan balance	1,096,000	1,984,000	1,464,000
Year-to-date interest income recognized	38,000	43,000	11,000
Agriculture Loans [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	2,235,000	829,000	1,339,000
Impaired loan balance	2,067,000	614,000	1,124,000
Impaired loans without an allowance	2,067,000	538,000	613,000
Impaired loans with an allowance		76,000	511,000
Related allowance recorded		67,000	106,000
Year-to-date average loan balance	2,420,000	618,000	1,166,000
Year-to-date interest income recognized	67,000	67,000	48,000
Municipal Loans [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal	36,000	36,000	58,000
Impaired loan balance	36,000	36,000	58,000
Impaired loans without an allowance	36,000	36,000	58,000
Impaired loans with an allowance
Related allowance recorded
Year-to-date average loan balance	36,000	54,000	58,000
Year-to-date interest income recognized	$ 1,000	1,000	1,000
Consumer Loan [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Unpaid contractual principal		3,000	4,000
Impaired loan balance		3,000	4,000
Impaired loans without an allowance		3,000	4,000
Impaired loans with an allowance
Related allowance recorded
Year-to-date average loan balance		4,000	5,000
Year-to-date interest income recognized

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