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Equity Investment - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Nov. 30, 2020
Nov. 30, 2019
Feb. 29, 2020
Schedule of Equity Method Investments [Line Items]          
Income (Loss) from Equity Method Investments $ 1,761 $ 967 $ 4,506 $ 3,672  
ASA Electronics, LLC [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity Method Investment, Ownership Percentage 50.00%   50.00%   50.00%