Consolidated Statements of Shareholder's Equity Statement - USD ($) $ in Thousands	Total	Common Shares	Preferred Stock	Additional Paid-In Capital	Retained Earnings (Accumulated Deficit)
Preferred Stock, Shares Outstanding			400
Balance, shares at Feb. 28, 2022		14,048
Balance at Feb. 28, 2022	$ 1,829,699	$ 0	$ 0	$ 1,878,774	$ (49,075)
Net income (loss)	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, Shares Outstanding			400
Preferred Stock, Shares Outstanding	400		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)
Net income (loss)	$ 22,770
Balance, shares at May. 31, 2023	14,048	14,048
Balance at May. 31, 2023	$ 1,894,228	$ 0	$ 0	$ 1,878,774	$ 15,454
Preferred Stock, Shares Outstanding	400		400