Net (Loss) Income Per Common Share - Reconciliation Between Denominator of Basic and Diluted Net (Loss) Income Per Common Share (Details) - shares	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Net Income Per Common Share [Abstract]
Weighted-average common shares outstanding (basic)	24,423,577	24,281,220	24,418,020	24,273,731
Restricted stock units, stock grants, and market stock units	0	574,087	0	616,910
Weighted-average common shares and potential common shares outstanding (diluted)	24,423,577	24,855,307	24,418,020	24,890,641