Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Numerator:
Net income	$ 317,260	$ 128,833	$ 101,607
Series A Preferred Stock Dividends	0	(1,200)	(14,400)
Redemption premium on Series A Preferred Stock	0	(75,198)	0
Numerator for diluted earnings per share—net income (loss) available to common shareholders	$ 317,260	$ 52,435	$ 87,207
Denominator:
Denominator for basic earnings per common share-weighted average shares (shares)	29,955,000	29,086,000	25,041,000
Effect of dilutive securities:
Employee and director stock awards	256,000	258,000	168,000
Denominator for diluted earnings per common share (shares)	30,211,000	29,344,000	25,209,000
Computation of basic and diluted earnings per share
Basic earnings per common share (usd per share)	$ 10.59	$ 1.80	$ 3.48
Diluted earnings per common share (usd per share)	$ 10.50	$ 1.79	$ 3.46