Selected Quarterly Financial Information (unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Selected Quarterly Financial Information (unaudited):
Revenues	$ 75,888,175	$ 80,666,779	$ 82,433,480	$ 114,353,042	$ 141,391,564	$ 163,064,503	$ 144,698,462	$ 111,562,907	$ 353,341,476	$ 560,717,436	$ 389,749,215
Operating income	14,691,787	23,383,434	19,096,086	55,473,525	82,378,988	110,340,861	80,488,079	55,622,307	$ 112,644,832	$ 328,830,235	$ 198,360,468
Net income	$ 8,091,907	$ 21,361,828	$ 9,428,605	$ 51,288,140	$ 79,240,198	$ 99,972,913	$ 76,512,665	$ 51,721,137
Earnings Per Share, Basic	$ 0.19	$ 0.5	$ 0.22	$ 1.25	$ 1.96	$ 2.48	$ 1.9	$ 1.29	$ 2.14	$ 7.63	$ 4.31
Earnings Per Share, Diluted	$ 0.19	$ 0.5	$ 0.22	$ 1.25	$ 1.96	$ 2.47	$ 1.89	$ 1.28	$ 2.14	$ 7.6	$ 4.29