Leases - Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020	Feb. 28, 2021
Leases [Abstract]
Operating cash flows from operating leases included in lease liabilities	$ 2,338	$ 2,069	$ 6,780	$ 6,313
Lease liabilities obtained from new ROU assets - operating	376	$ 0	13,646	$ 1,529
Operating and financing cash flows from financing leases included in lease liabilities	37		74
Lease liabilities obtained from new ROU assets - financing	$ 348		$ 362
Weighted-average remaining lease term - operating leases (years)	7 years 10 months 17 days		7 years 10 months 17 days		6 years 11 months 1 day
Weighted-average discount rate - operating leases	4.46%		4.46%		4.71%
Weighted-average remaining lease term - financing leases (years)	4 years 6 months 14 days		4 years 6 months 14 days		4 years 3 months
Weighted-average discount rate - financing leases	4.46%		4.46%		4.00%