Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2025 USD ($) BTU Customer Subsidiary $ / shares	Dec. 31, 2024 USD ($) Customer	Dec. 31, 2023 USD ($) Customer
Summary Of Significant Accounting Policy [Line Items]
Cash and cash equivalents	$ 132,688,000	$ 99,665,000
Single customer comprised more than 10 percent of the Company's consolidated net sales | Customer	0	0	0
Proceeds from Sale and Collection of Receivables	$ 96,305,000	$ 87,711,000
Deferred compensation liability	$ 23,166,000	$ 31,171,000
Percentage of deferred compensation liability related to performance common stock	9.00%	20.00%
Increase in market price of common stock due to deferred compensation | $ / shares	$ 1
Decrease in market price of common stock due to deferred compensation | $ / shares	$ 1
Additional compensation expense, Increase	$ 46,000
Additional compensation expense, Decrease	46,000
Cost of maintenance and repairs	92,955,000	$ 90,422,000	$ 80,226,000
Total research and development expenses	34,799,000	33,544,000	$ 35,732,000
Severance expenses	$ 2,820,000
Capitalized Environmental expenditures depreciation period	10 years
Indefinite-life intangible assets	$ 0
Number of foreign subsidiaries | Subsidiary	4
Natural Gas [Member]
Summary Of Significant Accounting Policy [Line Items]
Volume in derivative contract | BTU	645,000
Purchased Contract Price	$ 2,291,000
Building Improvements [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	15 years
Minimum [Member]
Summary Of Significant Accounting Policy [Line Items]
Concentration risk Payment terms extended	30 days
Percentage of Tax benefit recognized	50.00%
Minimum [Member] | Patents [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	15 years
Minimum [Member] | Trademarks [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	8 years
Minimum [Member] | Customer Relationships [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	10 years
Minimum [Member] | Know-how [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	7 years
Minimum [Member] | Building [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	30 years
Minimum [Member] | Manufacturing Equipment [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	10 years
Minimum [Member] | Furniture and Fixtures [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	5 years
Minimum [Member] | Vehicles [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	3 years
Minimum [Member] | Computers Equipment And Software [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	3 years
Maximum [Member]
Summary Of Significant Accounting Policy [Line Items]
Concentration risk Payment terms extended	60 days
Maximum [Member] | Trademarks [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	10 years
Maximum [Member] | Customer Relationships [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	20 years
Maximum [Member] | Know-how [Member]
Summary Of Significant Accounting Policy [Line Items]
Finite-lived intangible asset, useful life	20 years
Maximum [Member] | Building [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	40 years
Maximum [Member] | Manufacturing Equipment [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	30 years
Maximum [Member] | Furniture and Fixtures [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	10 years
Maximum [Member] | Vehicles [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	5 years
Maximum [Member] | Computers Equipment And Software [Member]
Summary Of Significant Accounting Policy [Line Items]
Lives used for calculating depreciation expense	10 years
Money Market Funds [Member]
Summary Of Significant Accounting Policy [Line Items]
Cash and cash equivalents	$ 13,807,000	12,589,000
Demand Deposits And Certifates of Deposit [Member]
Summary Of Significant Accounting Policy [Line Items]
Cash and cash equivalents	2,351,000	1,219,000
Non-U.S. Subsidiaries [Member]
Summary Of Significant Accounting Policy [Line Items]
Cash and cash equivalents	$ 116,530,000	$ 85,857,000