BUSINESS SEGMENT AND ENTITY WIDE DISCLOSURES - Operating segment by major service lines (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment information:
Total revenues	$ 460,869	$ 420,809	$ 915,624	$ 753,686
Operating segments
Segment information:
Total revenues	460,869	420,809	915,624	753,686
Technical Services \| Operating segments
Segment information:
Total revenues	438,115	396,754	872,397	708,598
Technical Services \| Operating segments \| Pressure Pumping
Segment information:
Total revenues	139,853	109,197	280,645	242,814
Technical Services \| Operating segments \| Downhole Tools
Segment information:
Total revenues	116,672	99,587	222,582	193,452
Technical Services \| Operating segments \| Wireline
Segment information:
Total revenues	88,594	103,924	191,807	107,842
Technical Services \| Operating segments \| Coiled Tubing
Segment information:
Total revenues	40,598	35,690	79,077	67,620
Technical Services \| Operating segments \| Cementing
Segment information:
Total revenues	28,673	27,625	54,827	55,287
Technical Services \| Operating segments \| Nitrogen
Segment information:
Total revenues	7,332	8,150	14,736	16,062
Technical Services \| Operating segments \| Snubbing
Segment information:
Total revenues	8,954	7,416	16,836	14,752
Technical Services \| Operating segments \| All other
Segment information:
Total revenues	7,439	5,165	11,887	10,769
Support Services \| Operating segments
Segment information:
Total revenues	22,754	24,055	43,227	45,088
Support Services \| Operating segments \| Rental Tools
Segment information:
Total revenues	16,689	17,955	30,497	33,357
Support Services \| Operating segments \| All other
Segment information:
Total revenues	$ 6,065	$ 6,100	$ 12,730	$ 11,731