Equity Investment - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
May 31, 2021	May 31, 2020	Feb. 28, 2021
Schedule of Equity Method Investments [Line Items]
Income (Loss) from Equity Method Investments	$ 2,723	$ 862
ASA Electronics, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%		50.00%

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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