Income Taxes - Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets:
Reserve for receivables and inventory	$ 4,051	$ 3,396
Accrued compensation	4,502	3,791
Reserves and payables	5,126	3,826
Accrued post-retirement medical benefits	597	825
Net operating loss and credit carryforwards	6,789	6,089
Deferred compensation	1,736	1,739
Accrued qualified plan benefits	1,260	1,178
Accrued stock-based compensation	1,590	1,263
Deferred revenue	15,860	12,201
Operating lease liabilities	1,880	735
Research and development costs	1,412	8,007
Other	2,087	2,489
Total gross deferred tax assets	46,890	45,539
Less: valuation allowance	(3,245)	(3,297)
Total net deferred tax assets	43,645	42,242
Deferred tax liabilities:
Property, plant and equipment	3,516	3,743
Intangible assets	26,523	7,527
Prepaids	0	825
Operating lease assets	1,808	297
Other	1,135	977
Total deferred tax liabilities	32,982	13,369
Net deferred tax assets	$ 10,663	$ 28,873