Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Industry Segments Details [Line Items]
Total Revenue	$ 141,700	$ 151,464	$ 464,607	$ 473,136
Income before taxes and discontinued operations	7,576	6,716	21,350	35,330
Product sales
Industry Segments Details [Line Items]
Total Revenue	71,775	68,967	241,734	230,719
Services
Industry Segments Details [Line Items]
Total Revenue	69,925	82,497	222,873	242,417
Completion Fluids & Products Division
Industry Segments Details [Line Items]
Total Revenue	65,131	73,210	242,432	240,474
Water & Flowback Services Division
Industry Segments Details [Line Items]
Total Revenue	76,569	78,254	222,175	232,662
Water & Flowback Services Division | Product sales
Industry Segments Details [Line Items]
Total Revenue	7,400
Operating Segments | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Total Revenue	65,131	73,210	242,432	240,474
Income before taxes and discontinued operations	19,119	16,932	65,564	67,330
Operating Segments | Completion Fluids & Products Division | Product sales
Industry Segments Details [Line Items]
Total Revenue	61,451	68,532	229,223	228,415
Operating Segments | Completion Fluids & Products Division | Services
Industry Segments Details [Line Items]
Total Revenue	3,680	4,678	13,209	12,059
Operating Segments | Water & Flowback Services Division
Industry Segments Details [Line Items]
Total Revenue	76,569	78,254	222,175	232,662
Income before taxes and discontinued operations	4,674	8,475	8,551	22,869
Operating Segments | Water & Flowback Services Division | Product sales
Industry Segments Details [Line Items]
Total Revenue	10,324	435	12,511	2,304
Operating Segments | Water & Flowback Services Division | Services
Industry Segments Details [Line Items]
Total Revenue	66,245	77,819	209,664	230,358
Corporate, Non-Segment
Industry Segments Details [Line Items]
Income before taxes and discontinued operations	$ (16,217)	$ (18,691)	$ (52,765)	$ (54,869)