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Lease Obligations - Additional Information (Details) - USD ($)
3 Months Ended
May 31, 2022
May 31, 2021
Leases [Line Items]    
Short term leases $ 0  
Other (Expense) Income [Member]    
Leases [Line Items]    
Rental income $ 221,000 $ 164,000
Minimum [Member]    
Leases [Line Items]    
Operating and finance leases remaining lease terms 1 year  
Maximum [Member]    
Leases [Line Items]    
Operating and finance leases remaining lease terms 9 years