Fair Value Measurements, Reconciliation for Level 3 Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)		3 Months Ended	12 Months Ended
		Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		$ 29,908,012
Total unrealized gain (losses) [Abstract]
Included in net income (loss)		3,444,569
Included in other comprehensive income		0
Purchases		0
Sales		0
Ending Balance		33,352,581	$ 29,908,012
Change in fair value of equity securities included in net income (loss) relating to assets held		3,444,569	4,633,751
Fixed Maturities, Available for Sale [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance		434,844
Total unrealized gain (losses) [Abstract]
Included in net income (loss)		0
Included in other comprehensive income		0
Purchases		0
Sales		0
Ending Balance		434,844	434,844
Equity Securities, Available for Sale [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	[1]	29,473,168
Total unrealized gain (losses) [Abstract]
Included in net income (loss)	[1]	3,444,569
Included in other comprehensive income	[1]	0
Purchases	[1]	0
Sales	[1]	0
Ending Balance	[1]	$ 32,917,737	$ 29,473,168

[1] Effective January 1, 2018, the Company adopted ASU No. 2016-01 and equity securities are no longer classified as available-for-sale. Prior periods have not been restated to conform to the current presentation. See Note 2 to the Condensed Consolidated Financial Statements for additional information.