Investments (Summary of Net Investment Income) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Net Investment Income [Line Items]
Investment revenue	$ 3,985,153	$ 3,790,266
Less investment expenses	(800,000)	(900,000)
Net investment income	3,185,153	2,890,266
AFS, Fixed Maturity Securities [Member]
Net Investment Income [Line Items]
Investment revenue	2,998,342	2,943,083
Real Estate Investment [Member]
Net Investment Income [Line Items]
Investment revenue	610,642	555,350
Equity Securities [Member]
Net Investment Income [Line Items]
Investment revenue	300,584	266,530
Cash and Short-Term Investments [Domain]
Net Investment Income [Line Items]
Investment revenue	$ 75,585	$ 25,303

Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-03.7(a),(b))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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-Name Accounting Standards Codification
-Topic 220
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-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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