Investments - Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Cost	$ 112,764,464	$ 110,112,242
Unrealized gains	1,747,364	2,185,806
Unrealized losses	(856,071)	(480,687)
Market Value	113,655,757	111,817,361
Short-Term Investments: \| Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	8,908,422	2,725,824
Unrealized gains	42,996	21,469
Unrealized losses	0	0
Market Value	8,951,418	2,747,293
Short-Term Investments: \| Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	481,122
Unrealized gains	3,042
Unrealized losses	0
Market Value	484,164
Short-Term Investments: \| Other
Debt Securities, Available-for-sale [Line Items]
Cost	850,256	924,658
Unrealized gains	0	0
Unrealized losses	0	0
Market Value	850,256	924,658
Long-Term Investments: \| Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	51,998,693	55,218,308
Unrealized gains	399,389	684,752
Unrealized losses	(646,504)	(306,784)
Market Value	51,751,578	55,596,276
Long-Term Investments: \| Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Cost	16,768,335	16,662,335
Unrealized gains	278,329	351,044
Unrealized losses	(189,538)	(173,378)
Market Value	16,857,126	16,840,001
Long-Term Investments: \| Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Cost	33,757,636	34,581,117
Unrealized gains	1,023,608	1,128,541
Unrealized losses	(20,029)	(525)
Market Value	$ 34,761,215	$ 35,709,133

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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