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Senior Debt - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 07, 2022
Dec. 31, 2021
Line Of Credit Facility [Line Items]      
Credit facility principal payments 2022 $ 2.5    
Credit facility principal payments 2023 3.6    
Credit facility principal payments 2024 4.9    
Credit facility principal payments 2025 5.2    
Credit facility principal payments 2026 66.4    
Credit facility principal payments 2027 $ 3.9    
Weighted average interest rate on outstanding borrowings 2.87%   2.54%
Maximum consolidated leverage ratio 3.75%   3.50%
Credit Agreement [Member]      
Line Of Credit Facility [Line Items]      
Unused credit availability under credit facility $ 59.9   $ 45.9
EFM JV      
Line Of Credit Facility [Line Items]      
Weighted average interest rate on outstanding borrowings 3.75%    
EFM JV | Credit Agreement [Member]      
Line Of Credit Facility [Line Items]      
Secured Debt   $ 11.0  
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.11448%    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum      
Line Of Credit Facility [Line Items]      
Maximum consolidated leverage ratio 1.75%    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member]      
Line Of Credit Facility [Line Items]      
Maximum consolidated leverage ratio 2.75%    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Credit Agreement [Member] | Minimum      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.11%    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Credit Agreement [Member] | Maximum [Member]      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.43%    
Federal Funds Rate [Member]      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Base Rate [Member] | Minimum      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 1.75%    
Base Rate [Member] | Maximum [Member]      
Line Of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.75%    
Letters of Credit [Member]      
Line Of Credit Facility [Line Items]      
Aggregate principal amount outstanding under the credit facilities $ 17.3   $ 14.5
Letters of Credit [Member] | EFM JV      
Line Of Credit Facility [Line Items]      
Aggregate principal amount outstanding under the credit facilities 10.9    
Bank Guarantees [Member]      
Line Of Credit Facility [Line Items]      
Bank guarantee issuance under bilateral lines and collateral 65.0    
Bank guarantee agreement outstanding amount 14.8    
Netherlands Facility [Member] | Euro-Denominated Bank Guarantee [Member]      
Line Of Credit Facility [Line Items]      
Bank guarantee agreement outstanding amount $ 0.7