Industry Segments - Revenue, Income from Operations, and Assets by Reporting Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Industry Segments Details [Line Items]
Revenues from external customers	$ 146,209	$ 130,037
Income before taxes and discontinued operations	7,534	8,934
Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	69,042	73,194
Income before taxes and discontinued operations	18,442	19,292
Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	77,167	56,843
Income before taxes and discontinued operations	6,378	2,682
Interdivision Eliminations
Industry Segments Details [Line Items]
Income before taxes and discontinued operations	0	3
Corporate Overhead
Industry Segments Details [Line Items]
Income before taxes and discontinued operations	(17,286)	(13,043)
Product sales
Industry Segments Details [Line Items]
Revenues from external customers	65,535	70,055
Product sales | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	65,515	69,888
Product sales | Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	20	167
Services
Industry Segments Details [Line Items]
Revenues from external customers	80,674	59,982
Services | Completion Fluids & Products Division
Industry Segments Details [Line Items]
Revenues from external customers	3,527	3,306
Services | Water & Flowback Services Division
Industry Segments Details [Line Items]
Revenues from external customers	$ 77,147	$ 56,676