Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Allowance for Credit Losses

Changes in the allowance are as follows:

	Year Ended December 31,
	2024		2023		2022
	(In Thousands)
At beginning of period	$	614	$	538	$	289
Activity in the period:
Provision for credit losses	217		285		257
Account charge offs, net of recoveries	(205)		(209)		(8)
At end of period	$	626	$	614	$	538

Schedule of Property, Plant, and Equipment

Property, plant, and equipment are stated at cost. Expenditures that increase the useful lives of assets are capitalized. The cost of repairs and maintenance is charged to operations as incurred. Depreciation is computed using the straight-line method over the estimated useful lives of the assets, which are generally as follows:

Buildings	25 years
Machinery and equipment	3 – 10 years
Automobiles and trucks	4 years
Chemical plants	15 years

Schedule of Supplemental Cash Flow Information

Supplemental cash flow information from continuing and discontinued operations is as follows:

	Year Ended December 31,
	2024		2023		2022
	(in thousands)
Supplemental cash flow information:
Interest paid	$	21,680	$	19,171	$	15,669
Income taxes paid	$	5,956	$	4,782	$	3,270
	December 31,
	2023		2022		2021
	(in thousands)
Accrued capital expenditures	$	7,131	$	5,171	$	4,901