Investments - Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Cost	$ 170,445,342	$ 186,637,592
Unrealized Gains	780,943	3,251,708
Unrealized Losses	(3,288,765)	(4,526,077)
Market Value	167,937,520	185,363,223
Short-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost	1,000,000	1,000,000
Unrealized Gains	0	0
Unrealized Losses	(4,162)	(5,987)
Market Value	995,838	994,013
Short-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost		1,976,195
Unrealized Gains		0
Unrealized Losses		(32,309)
Market Value		1,943,886
Short-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	4,608,148	4,754,495
Unrealized Gains	0	21,141
Unrealized Losses	(17,025)	(16,129)
Market Value	4,591,123	4,759,507
Short-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	5,137,053	1,749,038
Unrealized Gains	0	0
Unrealized Losses	(57,789)	(22,380)
Market Value	5,079,264	1,726,658
Short-Term Investments | Other
Debt Securities, Available-for-sale [Line Items]
Cost	1,401,088	1,465,388
Unrealized Gains	0	0
Unrealized Losses	0	0
Market Value	1,401,088	1,465,388
Long-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost		750,000
Unrealized Gains
Unrealized Losses		(1,642)
Market Value		748,358
Long-Term Investments | Asset Backed Securities
Debt Securities, Available-for-sale [Line Items]
Cost	40,635,021	26,923,803
Unrealized Gains	343,922	331,847
Unrealized Losses	(253,907)	(109,146)
Market Value	40,725,036	27,146,504
Long-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	63,561,430	66,214,398
Unrealized Gains	203,037	748,471
Unrealized Losses	(931,647)	(1,558,529)
Market Value	62,832,820	65,404,340
Long-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	8,434,018	6,217,774
Unrealized Gains	17,187	10,675
Unrealized Losses	(71,124)	(1,320)
Market Value	8,380,081	6,227,129
Long-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	45,668,584	58,261,615
Unrealized Gains	216,797	811,128
Unrealized Losses	(1,953,111)	(2,735,822)
Market Value	$ 43,932,270	56,336,921
Long-Term Investments | Common Stock
Debt Securities, Available-for-sale [Line Items]
Cost		17,324,886
Unrealized Gains		1,328,446
Unrealized Losses		(42,813)
Market Value		$ 18,610,519