Schedule II : Valuation and Qualiying Accounts and Reserves (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Allowance for Doubtful Accounts
Balance at Beginning of year	$ 2,267	$ 569	$ 347
Valuation Allowances and Reserves, Adjustments	2,734	2,153	3,290
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	(129)	(451)	(3,084)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease)	(27)	(4)	0
Valuation Allowances and Reserves, Adjustments	106	0	16
Balance at end of year	$ 4,951	$ 2,267	$ 569