Investments - Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Cost	$ 151,489,527	$ 186,637,592
Unrealized Gains	3,300,912	3,251,708
Unrealized Losses	(1,565,139)	(4,526,077)
Market Value	153,225,300	185,363,223
Short-Term Investments | Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Cost	2,834,713
Unrealized Gains	0
Unrealized Losses	(50,032)
Market Value	2,784,681
Short-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost	750,000	1,000,000
Unrealized Gains	2,133	0
Unrealized Losses	0	(5,987)
Market Value	752,133	994,013
Short-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	4,019,696	1,976,195
Unrealized Gains	0	0
Unrealized Losses	(58,776)	(32,309)
Market Value	3,960,920	1,943,886
Short-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	2,474,160	4,754,495
Unrealized Gains	5,815	21,141
Unrealized Losses	0	(16,129)
Market Value	2,479,975	4,759,507
Short-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	4,393,568	1,749,038
Unrealized Gains	1,697	0
Unrealized Losses	(14,865)	(22,380)
Market Value	4,380,400	1,726,658
Short-Term Investments | Other
Debt Securities, Available-for-sale [Line Items]
Cost	1,073,419	1,465,388
Unrealized Gains	0	0
Unrealized Losses	0	0
Market Value	1,073,419	1,465,388
Long-Term Investments | Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Cost	39,109,728	26,923,803
Unrealized Gains	1,032,389	331,847
Unrealized Losses	(73,087)	(109,146)
Market Value	40,069,030	27,146,504
Long-Term Investments | Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Cost		750,000
Unrealized Gains		0
Unrealized Losses		(1,642)
Market Value		748,358
Long-Term Investments | Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	56,889,910	66,214,398
Unrealized Gains	1,273,030	748,471
Unrealized Losses	(408,377)	(1,558,529)
Market Value	57,754,563	65,404,340
Long-Term Investments | Government Securities
Debt Securities, Available-for-sale [Line Items]
Cost	1,603,846	6,217,774
Unrealized Gains	67,369	10,675
Unrealized Losses	0	(1,320)
Market Value	1,671,215	6,227,129
Long-Term Investments | Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	41,175,200	58,261,615
Unrealized Gains	918,479	811,128
Unrealized Losses	(1,010,034)	(2,735,822)
Market Value	$ 41,083,645	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