Leases - Lease Details (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Lease, Cost [Abstract]
Operating cash flows from operating leases included in lease liabilities	$ 8,143	$ 8,918
Lease liabilities obtained from new ROU assets - operating	$ 2,186	$ 7,867
Weighted-average remaining lease term - operating leases	6 years 11 months 1 day	7 years 11 months 8 days
Weighted-average discount rate - operating leases	4.71%	4.89%
Operating and financing cash flows from financing leases included in lease liabilities	$ 25
Lease liabilities obtained from new ROU assets - financing	$ 230
Weighted-average remaining lease term - financing leases	4 years 3 months	0 years
Weighted-average discount rate - financing leases	4.00%