Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Industry Segments Details [Line Items]
Total Revenue	$ 171,935	$ 175,463	$ 322,907	$ 321,672
Income before taxes and discontinued operations	12,479	21,080	13,774	28,614
Product sales
Industry Segments Details [Line Items]
Total Revenue	96,622	96,217	169,959	161,752
Services
Industry Segments Details [Line Items]
Total Revenue	75,313	79,246	152,948	159,920
Completion Fluids & Products Division
Industry Segments Details [Line Items]
Total Revenue	100,019	98,222	177,301	167,264
Water & Flowback Services Division
Industry Segments Details [Line Items]
Total Revenue	71,916	77,241	145,606	154,408
Operating Segments | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Total Revenue	100,019	98,222	177,301	167,264
Income before taxes and discontinued operations	26,653	31,956	46,445	50,398
Operating Segments | Completion Fluids & Products Division | Product sales
Industry Segments Details [Line Items]
Total Revenue	95,019	94,368	167,772	159,883
Operating Segments | Completion Fluids & Products Division | Services
Industry Segments Details [Line Items]
Total Revenue	5,000	3,854	9,529	7,381
Operating Segments | Water & Flowback Services Division
Industry Segments Details [Line Items]
Total Revenue	71,916	77,241	145,606	154,408
Income before taxes and discontinued operations	3,156	8,014	3,877	14,394
Operating Segments | Water & Flowback Services Division | Product sales
Industry Segments Details [Line Items]
Total Revenue	1,603	1,849	2,187	1,869
Operating Segments | Water & Flowback Services Division | Services
Industry Segments Details [Line Items]
Total Revenue	70,313	75,392	143,419	152,539
Corporate, Non-Segment
Industry Segments Details [Line Items]
Income before taxes and discontinued operations	$ (17,330)	$ (18,890)	$ (36,548)	$ (36,178)