Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Property Plant And Equipment [Line Items]
Property, plant and equipment	$ 443,889		$ 443,889		$ 439,205
Finance lease assets gross value	3,504		3,504		3,795
Finance lease, lease related accumulated depreciation	1,920		1,920		$ 1,966
Depreciation expense	$ 4,172	$ 5,280	$ 8,372	$ 9,830
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Long-Term Debt and Lease Obligation, Current		Long-Term Debt and Lease Obligation, Current		Long-Term Debt and Lease Obligation, Current
Depreciation on assets under finance leases	$ 98	$ 79	$ 192	$ 156
Land and Land Improvements and Buildings and Leasehold Improvements [Member] | Sale and Leaseback Financing Obligations [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment	$ 55,656		55,656
UES Domestic [Member] | Construction-in-Process, Machinery and Equipment or Buildings [Member]
Property Plant And Equipment [Line Items]
Machinery and equipment purchased			$ 24,239