Investments, Debt Securities by Contractual Maturity (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Amortized cost [Abstract]
Due in one year or less	$ 20,502,132
Due after one year through five years	41,801,036
Due after five years through ten years	32,822,747
Due after ten years	24,149,660
Fixed maturities with no single maturity date	26,742,289
Original or amortized cost	146,017,864	$ 160,382,782
Estimated fair value [Abstract]
Due in one year or less	20,830,029
Due after one year through five years	44,366,992
Due after five years through ten years	37,705,439
Due after ten years	29,454,200
Fixed maturities with no single maturity date	33,423,337
Estimated fair value	165,779,997	171,629,373
Amortized cost of investment in fixed maturities rated below investment grade	$ 0	$ 1,031,570