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Debt - Schedule of Long-Term Debt (Details) - Medium-term Notes - USD ($)
$ in Thousands
Aug. 31, 2023
May 31, 2023
Debt Instrument [Line Items]    
Long-term debt, gross $ 44,508  
Debt issuance costs, net of amortization (463) $ (3,012)
Less: Current portion of term loan (9,163) (7,950)
Long-term debt, net $ 34,882 31,980
6.50% Starion term loan    
Debt Instrument [Line Items]    
Interest rate 6.50%  
Long-term debt, gross $ 12,109 12,786
6.15% Vantage Garden City loan    
Debt Instrument [Line Items]    
Interest rate 6.15%  
Long-term debt, gross $ 13,154 10,074
7.48% Starion Ellendale loan    
Debt Instrument [Line Items]    
Interest rate 7.48%  
Long-term debt, gross $ 18,859 19,728
Other long-term debt    
Debt Instrument [Line Items]    
Long-term debt, gross $ 386 $ 354