Business Segment and Entity Wide Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment information:
Total revenues	$ 864,929	$ 598,302	$ 1,222,409
Technical Services
Segment information:
Total revenues	815,046	556,488	1,145,554
Technical Services | Pressure Pumping
Segment information:
Total revenues	369,028	221,597	519,543
Technical Services | Downhole Tools
Segment information:
Total revenues	247,019	195,052	414,352
Technical Services | Coiled Tubing
Segment information:
Total revenues	88,946	51,616	80,758
Technical Services | Nitrogen
Segment information:
Total revenues	38,773	30,213	45,658
Technical Services | Snubbing
Segment information:
Total revenues	15,408	8,016	14,520
Technical Services | All other
Segment information:
Total revenues	55,872	49,994	70,723
Support Services
Segment information:
Total revenues	49,883	41,814	76,855
Support Services | Rental Tools
Segment information:
Total revenues	32,167	25,280	51,792
Support Services | All other
Segment information:
Total revenues	$ 17,716	$ 16,534	$ 25,063