Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Current:
Federal	$ 10,838	$ 11,381	$ 14,001
State and local	1,642	1,858	1,944
Total current	12,480	13,239	15,945
Deferred:
Federal	526	(651)	(1,811)
State and local	(47)	(91)	17
Total deferred	479	(742)	(1,794)
Total provision for income taxes	$ 12,959	$ 12,497	$ 14,151