Consolidated Statements of Shareholder's Equity Statement - USD ($) $ in Thousands	Total	Common Shares	Preferred Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)
Balance, shares at Feb. 28, 2022		14,048
Balance at Feb. 28, 2022	$ 1,829,699	$ 0	$ 0	$ 1,878,774	$ (49,075)
Preferred stock, balance, shares at Feb. 28, 2022			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	7,682				7,682
Balance, shares at May. 31, 2022		14,048
Balance at May. 31, 2022	1,837,381	$ 0	$ 0	1,878,774	(41,393)
Preferred stock, balance, shares at May. 31, 2022			400
Balance, shares at Feb. 28, 2022		14,048
Balance at Feb. 28, 2022	1,829,699	$ 0	$ 0	1,878,774	(49,075)
Preferred stock, balance, shares at Feb. 28, 2022			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	49,093
Balance, shares at Nov. 30, 2022		14,048
Balance at Nov. 30, 2022	1,868,292	$ 0	$ 0	1,878,774	(10,482)
Preferred stock, balance, shares at Nov. 30, 2022			400
Balance, shares at May. 31, 2022		14,048
Balance at May. 31, 2022	1,837,381	$ 0	$ 0	1,878,774	(41,393)
Preferred stock, balance, shares at May. 31, 2022			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(8,693)				(8,693)
Preference share dividends	(10,500)				(10,500)
Balance, shares at Aug. 31, 2022		14,048
Balance at Aug. 31, 2022	1,818,188	$ 0	$ 0	1,878,774	(60,586)
Preferred stock, balance, shares at Aug. 31, 2022			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	50,104				50,104
Balance, shares at Nov. 30, 2022		14,048
Balance at Nov. 30, 2022	$ 1,868,292	$ 0	$ 0	1,878,774	(10,482)
Preferred stock, balance, shares at Nov. 30, 2022			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares (in shares)	14,048
Balance, shares at Feb. 28, 2023	14,048	14,048
Balance at Feb. 28, 2023	$ 1,871,458	$ 0	$ 0	1,878,774	(7,316)
Preferred stock, balance, shares at Feb. 28, 2023	400		400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 22,770				22,770
Preference share dividends	(10,500)
Balance, shares at May. 31, 2023		14,048
Balance at May. 31, 2023	$ 1,894,228	$ 0	$ 0	1,878,774	15,454
Preferred stock, balance, shares at May. 31, 2023			400
Balance, shares at Feb. 28, 2023	14,048	14,048
Balance at Feb. 28, 2023	$ 1,871,458	$ 0	$ 0	1,878,774	(7,316)
Preferred stock, balance, shares at Feb. 28, 2023	400		400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 53,933
Balance, shares at Nov. 30, 2023	15,564	15,564
Balance at Nov. 30, 2023	$ 2,114,891	$ 0	$ 0	2,078,774	36,117
Preferred stock, balance, shares at Nov. 30, 2023	400		400
Balance, shares at May. 31, 2023		14,048
Balance at May. 31, 2023	$ 1,894,228	$ 0	$ 0	1,878,774	15,454
Preferred stock, balance, shares at May. 31, 2023			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares	200,000			200,000
Net income (loss)	5,518				5,518
Preference share dividends	(10,500)				(10,500)
Balance, shares at Aug. 31, 2023		15,564
Balance at Aug. 31, 2023	2,089,246	$ 0	$ 0	2,078,774	10,472
Preferred stock, balance, shares at Aug. 31, 2023			400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	25,645				25,645
Preference share dividends	$ (10,500)
Balance, shares at Nov. 30, 2023	15,564	15,564
Balance at Nov. 30, 2023	$ 2,114,891	$ 0	$ 0	$ 2,078,774	$ 36,117
Preferred stock, balance, shares at Nov. 30, 2023	400		400
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common shares (in shares)	15,564