Net carrying amount of held to maturity securities (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net Investment Income [Line Items]
Gross investment income	$ 17,185,950	$ 16,287,935	$ 34,896,919	$ 32,968,164
Investment Income, Investment Expense	(3,008,632)	(3,325,190)	(6,425,714)	(6,604,920)
Net investment income	14,177,318	12,962,745	28,471,205	26,363,244
Fixed Maturities
Net Investment Income [Line Items]
Gross investment income	2,698,011	3,143,072	5,522,122	6,067,786
Equity Securities
Net Investment Income [Line Items]
Gross investment income	106,041	111,122	234,270	203,164
Mortgage Loans Real Estate
Net Investment Income [Line Items]
Gross investment income	6,902,466	5,582,152	12,986,883	11,236,042
Real Estate
Net Investment Income [Line Items]
Gross investment income	3,002,650	2,787,881	6,045,479	5,941,267
Policy Student and Other Loans
Net Investment Income [Line Items]
Gross investment income	232,135	257,527	464,488	491,492
Insurance Assignments
Net Investment Income [Line Items]
Gross investment income	4,171,318	4,383,398	9,517,047	8,682,602
Other Investments
Net Investment Income [Line Items]
Gross investment income	39,299	398	53,006	25,421
Cash and Cash Equivalents
Net Investment Income [Line Items]
Gross investment income	34,030	22,385	73,624	320,390
Fixed Maturity Securities [Member]
Net Investment Income [Line Items]
Proceeds received from sale of fixed maturity available for sale securities	1,163,366	2,107,581	1,982,931	2,753,331
Gross realized gains	149,338	53,928	209,132	133,339
Gross realized losses	$ 0	$ 137	$ 0	$ 137

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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