Summary of Significant Accounting Policies - Contract Liability Details (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Contract Liability Details [Abstract]
Balance at beginning of period		$ 18,418	$ 56,928	$ 22,698
Contract liabilities added during the period			14,292	54,331
Revenue recognized during the period			(52,802)	(20,101)
Balance at end of period			18,418	$ 56,928
Future Revenues	$ 1,800	$ 1,700	14,900
Revenue, Remaining Performance Obligation, Amount			$ 18,400