Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues from external customers	$ 95,474	$ 73,484	$ 275,124	$ 302,257
United States
Disaggregation of Revenue [Line Items]
Revenues from external customers	64,763	34,780	178,983	182,089
International
Disaggregation of Revenue [Line Items]
Revenues from external customers	30,711	38,704	96,141	120,168
Completion Fluids & Products Division
Disaggregation of Revenue [Line Items]
Revenues from external customers	48,691	51,950	159,819	198,533
Completion Fluids & Products Division | United States
Disaggregation of Revenue [Line Items]
Revenues from external customers	22,529	15,013	72,353	85,073
Completion Fluids & Products Division | International
Disaggregation of Revenue [Line Items]
Revenues from external customers	26,162	36,937	87,466	113,460
Water & Flowback Services Division
Disaggregation of Revenue [Line Items]
Revenues from external customers	46,783	21,534	115,305	103,724
Water & Flowback Services Division | United States
Disaggregation of Revenue [Line Items]
Revenues from external customers	42,234	19,767	106,630	97,016
Water & Flowback Services Division | International
Disaggregation of Revenue [Line Items]
Revenues from external customers	$ 4,549	$ 1,767	$ 8,675	$ 6,708