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Debt - Casthouse and Surety (Details)
€ in Millions
1 Months Ended
Nov. 02, 2021
USD ($)
Sep. 30, 2022
Nov. 30, 2021
Mar. 31, 2023
USD ($)
Dec. 09, 2022
USD ($)
Sep. 20, 2022
EUR (€)
Casthouse facility            
Debt Instrument [Line Items]            
Debt instrument, term     8 years      
Credit facility face amount $ 130,000,000          
Debt instrument, quarterly installment fee 1.739%          
Debt instrument, remaining payment after drawdown of funds 60.00%          
Medium-term notes, outstanding borrowings       $ 60,000,000    
Surety Bond            
Debt Instrument [Line Items]            
Loss contingency accrual       $ 6,600,000    
Medium-term Notes            
Debt Instrument [Line Items]            
Credit facility face amount | €           € 13.6
Medium-term Notes | EURIBOR            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate   3.20%        
Vlissingen facility agreement | Secured Debt | Vlissingen            
Debt Instrument [Line Items]            
Face amount         $ 90,000,000