Income Taxes - Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Reserve for receivables and inventory	$ 3,396	$ 2,959
Accrued compensation	3,791	4,069
Reserves and payables	3,826	2,509
Accrued post-retirement medical benefits	825	971
Net operating loss and credit carryforwards	6,089	4,948
Deferred compensation	1,739	1,269
Accrued qualified plan benefits	1,178	988
Accrued stock-based compensation	1,263	1,166
Deferred revenue	12,201	8,128
Operating lease liabilities	735	1,071
Research and development costs	8,007	5,744
Other	2,489	1,359
Total gross deferred tax assets	45,539	35,181
Less: valuation allowance	(3,297)	(2,683)
Total net deferred tax assets	42,242	32,498
Deferred tax liabilities:
Property, plant and equipment	3,743	4,323
Intangible assets	7,527	8,361
Prepaids	825	394
Operating lease assets	297	1,020
Other	977	746
Total deferred tax liabilities	13,369	14,844
Net deferred tax assets	$ 28,873	$ 17,654