Unaudited Condensed Consolidated Statements of Shareholders Equity - USD ($)	Common stock	Treasury Stock	Additional paid-in capital	Retained Earnings	Total
Balance - beginning at Mar. 31, 2023	$ 516,306	$ (122,896,838)	$ 764,383,292	$ 231,843,562	$ 873,846,322
Balance - beginning (Shares) at Mar. 31, 2023	51,630,593
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)				51,721,137	51,721,137
Restricted share award issuances	$ 238		(238)
Restricted share award issuances (Shares)	23,750
Dividend ($1.00 per common share)				(40,382,730)	(40,382,730)
Stock-based compensation			776,607		776,607
Purchase of treasury stock		(352,627)			(352,627)
Balance - Ending at Jun. 30, 2023	$ 516,544	(123,249,465)	765,159,661	243,181,969	885,608,709
Balance - ending (Shares) at Jun. 30, 2023	51,654,343
Balance - beginning at Mar. 31, 2023	$ 516,306	(122,896,838)	764,383,292	231,843,562	873,846,322
Balance - beginning (Shares) at Mar. 31, 2023	51,630,593
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)					128,233,802
Balance - Ending at Sep. 30, 2023	$ 519,554	(125,670,534)	769,336,449	279,123,746	923,309,215
Balance - ending (Shares) at Sep. 30, 2023	51,955,408
Balance - beginning at Jun. 30, 2023	$ 516,544	(123,249,465)	765,159,661	243,181,969	885,608,709
Balance - beginning (Shares) at Jun. 30, 2023	51,654,343
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)				76,512,665	76,512,665
Restricted share award issuances	$ 3,010		(3,010)
Restricted share award issuances (Shares)	301,065
Dividend ($1.00 per common share)				(40,570,888)	(40,570,888)
Stock-based compensation			4,179,798		4,179,798
Purchase of treasury stock		(2,421,069)			(2,421,069)
Balance - Ending at Sep. 30, 2023	$ 519,554	(125,670,534)	769,336,449	279,123,746	923,309,215
Balance - ending (Shares) at Sep. 30, 2023	51,955,408
Balance - beginning at Mar. 31, 2024	$ 519,950	(126,837,239)	772,714,486	377,135,886	1,023,533,083
Balance - beginning (Shares) at Mar. 31, 2024	51,995,027
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)				51,288,140	51,288,140
Common share issuance	$ 20,000		84,367,701		84,387,701
Common share issuance (Shares)	2,000,000
Dividend ($1.00 per common share)				(40,619,448)	(40,619,448)
Stock-based compensation			1,275,459		1,275,459
Balance - Ending at Jun. 30, 2024	$ 539,950	(126,837,239)	858,357,646	387,804,578	1,119,864,935
Balance - ending (Shares) at Jun. 30, 2024	53,995,027
Balance - beginning at Mar. 31, 2024	$ 519,950	(126,837,239)	772,714,486	377,135,886	1,023,533,083
Balance - beginning (Shares) at Mar. 31, 2024	51,995,027
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)					60,716,745
Balance - Ending at Sep. 30, 2024	$ 542,947	(131,096,907)	864,375,031	354,428,704	1,088,249,775
Balance - ending (Shares) at Sep. 30, 2024	54,294,696
Balance - beginning at Jun. 30, 2024	$ 539,950	(126,837,239)	858,357,646	387,804,578	1,119,864,935
Balance - beginning (Shares) at Jun. 30, 2024	53,995,027
Increase (Decrease) in Shareholders' Equity
Net Income (Loss)				9,428,605	9,428,605
Restricted share award issuances	$ 2,997		(2,997)
Restricted share award issuances (Shares)	299,669
Common share issuance			21,660		21,660
Dividend ($1.00 per common share)				(42,804,479)	(42,804,479)
Stock-based compensation			5,998,722		5,998,722
Purchase of treasury stock		(4,259,668)			(4,259,668)
Balance - Ending at Sep. 30, 2024	$ 542,947	$ (131,096,907)	$ 864,375,031	$ 354,428,704	$ 1,088,249,775
Balance - ending (Shares) at Sep. 30, 2024	54,294,696