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Derivative Instruments - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
Customer
Derivative
Sep. 30, 2023
USD ($)
Customer
Sep. 30, 2024
USD ($)
Customer
Derivative
Sep. 30, 2023
USD ($)
Customer
Derivative [Line Items]        
Number of subsidiaries for purchases of natural gas under existing commitments | Customer 2 1 2 1
Purchases of natural gas under existing commitments description     for two of its subsidiaries for one of its subsidiaries
Number of subsidiaries for usage of electricity under existing commitments | Customer 2 1 2 1
Usage of electricity under existing commitments description     for two of its subsidiaries. for one of its subsidiaries
Number of derivative instruments holds for trading purposes | Derivative 0   0  
(Loss) gain on foreign exchange transactions included in other income net $ (1,130,000) $ 892,000 $ (1,320,000) $ (267,000)
Natural Gas Usage [Member]        
Derivative [Line Items]        
Percentage of anticipated purchases hedged 3.00% 32.00% 3.00% 32.00%
Anticipated purchases, hedged $ 1,568,000 $ 2,942,000 $ 1,568,000 $ 2,942,000
Time period for hedged usage description     natural gas usage through December 31, 2025 natural gas usage through December 31, 2025
Electricity Usage [Member]        
Derivative [Line Items]        
Percentage of anticipated purchases hedged 9.00% 21.00% 9.00% 21.00%
Anticipated purchases, hedged $ 945,000 $ 1,116,000 $ 945,000 $ 1,116,000
Time period for hedged usage description     electricity usage through December 31, 2025 electricity usage through December 31, 2025
Natural Gas And Electricity Purchased [Member]        
Derivative [Line Items]        
Purchase of natural gas or electricity $ 674,000 $ 812,000 $ 2,507,000 $ 2,249,000
Copper Purchases [Member]        
Derivative [Line Items]        
Percentage of anticipated purchases hedged 43.00% 46.00% 43.00% 46.00%
Time period for hedged purchases     9 months 10 months
Copper Purchases [Member] | Cash Flow Hedges [Member]        
Derivative [Line Items]        
Anticipated purchases, hedged $ 2,853,000 $ 2,771,000 $ 2,853,000 $ 2,771,000
Aluminum Purchases [Member]        
Derivative [Line Items]        
Percentage of anticipated purchases hedged 56.00% 56.00% 56.00% 56.00%
Time period for hedged purchases     6 months 6 months
Aluminum Purchases [Member] | Cash Flow Hedges [Member]        
Derivative [Line Items]        
Anticipated purchases, hedged $ 615,000 $ 565,000 $ 615,000 $ 565,000