Derivative Instruments - Additional Information (Detail)	3 Months Ended	6 Months Ended
Jun. 30, 2024 USD ($) Customer Derivative	Jun. 30, 2023 USD ($) Customer	Jun. 30, 2024 USD ($) Customer Derivative	Jun. 30, 2023 USD ($) Customer
Derivative [Line Items]
Number of subsidiaries for purchases of natural gas under existing commitments \| Customer	2	2	2	2
Purchases of natural gas under existing commitments description			for two of its subsidiaries	for two of its subsidiaries
Number of subsidiaries for usage of electricity under existing commitments \| Customer	2	2	2	2
Usage of electricity under existing commitments description			for two of its subsidiaries.	for two of its subsidiaries
Number of derivative instruments holds for trading purposes \| Derivative	0		0
Gain (loss) on foreign exchange transactions included in other income net	$ 302,000	$ (1,244,000)	$ (190,000)	$ (1,159,000)
Natural Gas Usage [Member]
Derivative [Line Items]
Percentage of anticipated purchases hedged	4.00%	23.00%	4.00%	23.00%
Anticipated purchases, hedged	$ 1,830,000	$ 3,478,000	$ 1,830,000	$ 3,478,000
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	10.00%	19.00%	10.00%	19.00%
Anticipated purchases, hedged	$ 1,129,000	$ 1,329,000	$ 1,129,000	$ 1,329,000
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	$ 854,000	$ 904,000	$ 1,833,000	$ 1,437,000
Copper Purchases [Member]
Derivative [Line Items]
Percentage of anticipated purchases hedged	41.00%	50.00%	41.00%	50.00%
Time period for hedged purchases			8 months	9 months
Copper Purchases [Member] \| Cash Flow Hedges [Member]
Derivative [Line Items]
Anticipated purchases, hedged	$ 2,495,000	$ 2,725,000	$ 2,495,000	$ 2,725,000
Aluminum Purchases [Member]
Derivative [Line Items]
Percentage of anticipated purchases hedged	56.00%	61.00%	56.00%	61.00%
Time period for hedged purchases			6 months	6 months
Aluminum Purchases [Member] \| Cash Flow Hedges [Member]
Derivative [Line Items]
Anticipated purchases, hedged	$ 621,000	$ 695,000	$ 621,000	$ 695,000

Number of derivative instruments holds for trading purposes.

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- Definition

Number of subsidiaries for purchases of natural gas under existing commitments.

+ References

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Number of subsidiaries for usage of electricity under existing commitments.

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Percentage of anticipated requirements which are covered by cash flow hedges.

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Period covered by cash flow hedges.

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- Definition

Purchases of natural gas under existing commitments description.

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Time period for hedged usage description.

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Usage of electricity under existing commitments description.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

+ References

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- Definition

Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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