Investments (Tables)

3 Months Ended

Mar. 31, 2024

Investments [Abstract]

Schedule of Investment Securities Stated at Fair Value

As of March 31, 2024:

			Fair Value Measurements at Reporting Date Using
	Total as of		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	March 31, 2024		(Level 1)		(Level 2)		(Level 3)
Cash & Cash Equivalents	$	249,004,534	$	249,004,534	$	—	$	—
Short-Term Investments:
Certificate of Deposit	746,125		746,125		—		—
Corporate Bonds	1,955,083		—		1,955,083		—
Government Securities	7,382,970		—		7,382,970		—
Municipal Bonds	1,730,433		—		1,730,433		—
Other	1,477,288		1,477,288		—		—
Long-Term Investments:
Asset Backed Securities	32,561,930		—		32,561,930		—
Certificate of Deposit	748,245		748,245		—		—
Corporate Bonds	66,095,516		—		66,095,516		—
Government Securities	6,781,490		—		6,781,490		—
Municipal Bonds	47,375,455		—		47,375,455		—
Common Stock	27,020,275		27,020,275		—		—
Total	$	442,879,344	$	278,996,467	$	163,882,877	$	—

As of December 31, 2023:

			Fair Value Measurements at Reporting Date Using
	Total as of		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	December 31, 2023		(Level 1)		(Level 2)		(Level 3)
Cash & Cash Equivalents	$	226,435,019	$	226,435,019	$	—	$	—
Short-Term Investments:
Certificate of Deposit	994,013		994,013		—		—
Corporate Bonds	1,943,886		—		1,943,886		—
Government Securities	4,759,507		—		4,759,507		—
Municipal Bonds	1,726,658		—		1,726,658		—
Other	1,465,388		1,465,388		—		—
Long-Term Investments:
Asset-backed Securities	27,146,504		—		27,146,504		—
Certificate of Deposit	748,358		748,358		—		—
Corporate Bonds	65,404,340		—		65,404,340		—
Governmental Securities	6,227,129		—		6,227,129		—
Municipal Bonds	56,336,921		—		56,336,921
Common Stock	18,610,519		18,610,519		—		—
Total	$	411,798,242	$	248,253,297	$	163,544,945	$	—

Schedule of Amortized Cost, Unrealized Gains and Losses, And Market Value of Investment Securities

The amortized cost, unrealized gains and losses, and market value of investment securities are shown as of March 31, 2024 and December 31, 2023:

As of March 31, 2024:

			Unrealized
	Cost		Gains		Losses		Market Value
Short-Term Investments:
Certificate of Deposit	$	750,000	$	—	$	(3,875)	$	746,125
Corporate Bonds	1,970,327		—		(15,244)		1,955,083
Government Securities	7,401,456		—		(18,486)		7,382,970
Municipal Bonds	1,749,223		—		(18,790)		1,730,433
Other	1,477,288		—		—		1,477,288
Long-Term Investments:
Asset Backed Securities	32,384,759		363,920		(186,749)		32,561,930
Certificate of Deposit	750,000		—		(1,755)		748,245
Corporate Bonds	67,027,320		319,188		(1,250,992)		66,095,516
Government Securities	6,826,404		—		(44,914)		6,781,490
Municipal Bonds	49,025,853		287,737		(1,938,135)		47,375,455
Common Stock	33,012,386		123,840		(6,115,951)		27,020,275
Total	$	202,375,016	$	1,094,685	$	(9,594,891)	$	193,874,810

As of December 31, 2023:    

			Unrealized
	Cost		Gains		Losses		Market Value
Short-Term Investments:
Certificate of Deposit	$	1,000,000	$	—	$	(5,987)	$	994,013
Corporate Bonds	1,976,195		—		(32,309)		1,943,886
Government Securities	4,754,495		21,141		(16,129)		4,759,507
Municipal Bonds	1,749,038		—		(22,380)		1,726,658
Other	1,465,388		—		—		1,465,388
Long-Term Investments:
Asset-backed Securities	26,923,803		331,847		(109,146)		27,146,504
Certificate of Deposit	750,000				(1,642)		748,358
Corporate Bonds	66,214,398		748,471		(1,558,529)		65,404,340
Government Securities	6,217,774		10,675		(1,320)		6,227,129
Municipal Bonds	58,261,615		811,128		(2,735,822)		56,336,921
Common Stock	17,324,886		1,328,446		(42,813)		18,610,519
Total	$	186,637,592	$	3,251,708	$	(4,526,077)	$	185,363,223

Schedule of Unrealized Loss on Investments

Unrealized losses on investments as of March 31, 2024, are as follows:

	Aggregate Unrealized Losses		Aggregate Fair Value of Investments
Loss duration of less than one year	$	6,442,204	$	67,460,003
Loss duration of greater than one year	3,152,687		60,198,609
Total	$	9,594,891	$	127,658,612

Unrealized losses on investments as of December 31, 2023, are as follows:

	Aggregate Unrealized Losses		Aggregate Fair Value of Investments
Loss duration of less than one year	$	126,074	$	13,449,592
Loss duration of greater than one year	4,400,003		76,966,258
Total	$	4,526,077	$	90,415,850

Schedule of Investments Classified by Contractual Maturity Date

Fixed income securities as of March 31, 2024 have contractual maturities as follows:

Due within one year	$	11,814,611
Due between one and five years	87,792,966
Due over five years	65,769,670
	$	165,377,247