Schedule II - Condensed Financial Information of Registrant (Statement of Cash Flows) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash Flows From Operating Activities
Net earnings	$ 707,851	$ 2,810,397
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities
Net realized investment gains	(1,064,577)	(249,923)
Depreciation	822,621	817,774
Deferred income tax	175,085	190,903
Amortization of bond premium and discount	334,150	246,470
Change in:
Accrued investment income	(163,297)	56,630
Accrued expenses	(553,040)	730,852
Current federal income tax	(423,895)	623,954
Other	472,340	1,266,466
Net cash provided by operating activities	734,669	4,591,750
Purchases of:
Fixed maturity securities, available-for-sale	(32,572,815)	(10,410,051)
Property and equipment	(532,374)	(856,504)
Proceeds from sales, maturities and calls of:
Fixed maturity securities, available-for-sale	7,431,133	11,437,484
Net cash used in investing activities	(27,874,326)	(1,602,062)
Cash flows from financing activities:
Net proceeds received from issuance of shares of common stock and ESOP expense	29,087,070
Proceeds from loan	3,499,149	575,000
Repayments of borrowed funds	(2,946,890)	(839,254)
Net cash (used in) provided by financing activities	29,639,329	(792,352)
Net increase in cash and cash equivalents	2,499,672	2,197,336
Cash and cash equivalents at beginning of year	4,376,847	2,179,511
Cash and cash equivalents at end of period	6,876,519	4,376,847
Supplemental information:
Federal income tax paid	600,000	300,000
Interest paid	192,197	225,964
Parent Company [Member]
Cash Flows From Operating Activities
Net earnings	707,851
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities
Net realized investment gains	(141,902)
Depreciation	3,160
Deferred income tax	(85,676)
Equity in undistributed (income) loss of subsidiaries	(1,392,868)
Amortization of bond premium and discount	22,566
Change in:
Due from subsidiaries	(115,650)
Accrued investment income	6,640
Accrued expenses	79,261
Current federal income tax	103,439
Other	(31,787)
Net cash provided by operating activities	(844,966)
Cash flows from investing activities:
Contributions to subsidiaries	(26,330,618)
Purchases of:
Fixed maturity securities, available-for-sale	(8,280,927)
Common stocks, available-for-sale	(1,566,247)
Property and equipment	(28,407)
Proceeds from sales, maturities and calls of:
Fixed maturity securities, available-for-sale	5,762,299
Common stocks, available-for-sale	665,397
Net cash used in investing activities	(29,778,503)
Cash flows from financing activities:
Net proceeds received from issuance of shares of common stock and ESOP expense	28,719,340
Proceeds from loan	3,499,149
Repayments of borrowed funds	(3,041)
Net cash (used in) provided by financing activities	32,215,448
Net increase in cash and cash equivalents	1,591,979
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of period	1,591,979
Supplemental information:
Federal income tax paid
Interest paid	$ 65,276