Investments - Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Cost	$ 202,375,016	$ 186,637,592
Unrealized Gains	1,094,685	3,251,708
Unrealized Losses	(9,594,891)	(4,526,077)
Market Value	193,874,810	185,363,223
Short-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost	750,000	1,000,000
Unrealized Gains	0	0
Unrealized Losses	(3,875)	(5,987)
Market Value	746,125	994,013
Short-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	1,970,327	1,976,195
Unrealized Gains	0	0
Unrealized Losses	(15,244)	(32,309)
Market Value	1,955,083	1,943,886
Short-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	7,401,456	4,754,495
Unrealized Gains	0	21,141
Unrealized Losses	(18,486)	(16,129)
Market Value	7,382,970
Short-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	1,749,223	1,749,038
Unrealized Gains	0	0
Unrealized Losses	(18,790)	(22,380)
Market Value	1,730,433
Short-Term Investments | Other
Debt Securities, Available-for-sale [Line Items]
Cost	1,477,288	1,465,388
Unrealized Gains	0	0
Unrealized Losses	0	0
Market Value	1,477,288	1,465,388
Long-Term Investments | Asset Backed Securities
Debt Securities, Available-for-sale [Line Items]
Cost	32,384,759	26,923,803
Unrealized Gains	363,920	331,847
Unrealized Losses	(186,749)	(109,146)
Market Value	32,561,930	27,146,504
Long-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost	750,000	750,000
Unrealized Gains	0
Unrealized Losses	(1,755)	(1,642)
Market Value	748,245	748,358
Long-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	67,027,320	66,214,398
Unrealized Gains	319,188	748,471
Unrealized Losses	(1,250,992)	(1,558,529)
Market Value	66,095,516	65,404,340
Long-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	6,826,404	6,217,774
Unrealized Gains	0	10,675
Unrealized Losses	(44,914)	(1,320)
Market Value	6,781,490	6,227,129
Long-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	49,025,853	58,261,615
Unrealized Gains	287,737	811,128
Unrealized Losses	(1,938,135)	(2,735,822)
Market Value	47,375,455	56,336,921
Long-Term Investments | Common Stock
Debt Securities, Available-for-sale [Line Items]
Cost	33,012,386	17,324,886
Unrealized Gains	123,840	1,328,446
Unrealized Losses	(6,115,951)	(42,813)
Market Value	$ 27,020,275	$ 18,610,519