Segment Data - Operating Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Total revenues	$ 176,438	$ 141,172
Operating income (loss)
Total operating income	967	544
Fluids Systems
Revenues
Total revenues	141,014	87,849
Industrial Solutions
Revenues
Total revenues	35,424	53,323
Operating segments | Fluids Systems
Revenues
Total revenues	141,014	87,849
Operating income (loss)
Total operating income	3,374	(6,767)
Operating segments | Industrial Solutions
Revenues
Total revenues	35,424	53,323
Operating income (loss)
Total operating income	5,472	13,130
Corporate office
Operating income (loss)
Total operating income	$ (7,879)	$ (5,819)