Segment Data - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 176,438,000	$ 141,172,000
Total operating income	967,000	544,000
Affiliated Entity
Segment Reporting Information [Line Items]
Revenues	14,000,000	7,000,000
Capital employed	50,000,000
Net working capital	28,000,000
Fluids Systems
Segment Reporting Information [Line Items]
Revenues	141,014,000	87,849,000
Industrial Solutions
Segment Reporting Information [Line Items]
Revenues	35,424,000	53,323,000
Industrial Solutions | Industrial Blending Member
Segment Reporting Information [Line Items]
Revenues		5,000,000
Total operating income	900,000
Combined assets	19,000,000
Impairment, long-lived asset, held-for-use	0
Industrial Solutions | Industrial Blending Member | Minimum
Segment Reporting Information [Line Items]
Impairment of long-lived assets	4,000,000
Industrial Solutions | Industrial Blending Member | Maximum
Segment Reporting Information [Line Items]
Impairment of long-lived assets	8,000,000
Operating segments | Fluids Systems
Segment Reporting Information [Line Items]
Revenues	141,014,000	87,849,000
Total operating income	3,374,000	(6,767,000)
Operating segments | Industrial Solutions
Segment Reporting Information [Line Items]
Revenues	35,424,000	53,323,000
Total operating income	5,472,000	13,130,000
Corporate office
Segment Reporting Information [Line Items]
Total operating income	$ (7,879,000)	$ (5,819,000)