Segment Data - Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Total revenues	$ 142,249	$ 101,946	$ 283,421	$ 266,496
Operating income (loss)
Total operating loss	(3,247)	(30,539)	(2,703)	(36,425)
Fluids systems
Revenues
Total revenues	97,093	74,662	184,942	207,467
Industrial solutions
Revenues
Total revenues	45,156	27,284	98,479	59,029
Operating segments | Fluids systems
Revenues
Total revenues	97,093	74,662	184,942	207,467
Operating income (loss)
Total operating loss	(6,531)	(25,059)	(13,298)	(27,327)
Operating segments | Industrial solutions
Revenues
Total revenues	45,156	27,284	98,479	59,029
Operating income (loss)
Total operating loss	10,143	1,005	23,273	4,067
Corporate office
Operating income (loss)
Total operating loss	$ (6,859)	$ (6,485)	$ (12,678)	$ (13,165)