BUSINESS SEGMENT AND ENTITY WIDE DISCLOSURES - Operating segment by major service lines (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment information:
Total revenues	$ 467,735	$ 447,103	$ 1,383,359	$ 1,200,789
Operating segments
Segment information:
Total revenues	467,735	447,103	1,383,359	1,200,789
Technical Services \| Operating segments
Segment information:
Total revenues	444,234	422,206	1,316,631	1,130,804
Technical Services \| Operating segments \| Pressure Pumping
Segment information:
Total revenues	144,466	124,769	425,111	367,583
Technical Services \| Operating segments \| Downhole Tools
Segment information:
Total revenues	114,891	105,024	337,473	298,476
Technical Services \| Operating segments \| Wireline
Segment information:
Total revenues	81,803	104,863	273,610	212,705
Technical Services \| Operating segments \| Coiled Tubing
Segment information:
Total revenues	48,788	42,465	127,865	110,085
Technical Services \| Operating segments \| Cementing
Segment information:
Total revenues	26,648	24,192	81,475	79,479
Technical Services \| Operating segments \| Nitrogen
Segment information:
Total revenues	9,043	7,283	23,779	23,345
Technical Services \| Operating segments \| Snubbing
Segment information:
Total revenues	10,029	6,473	26,865	21,225
Technical Services \| Operating segments \| All other
Segment information:
Total revenues	8,566	7,137	20,453	17,906
Support Services \| Operating segments
Segment information:
Total revenues	23,501	24,897	66,728	69,985
Support Services \| Operating segments \| Rental Tools
Segment information:
Total revenues	17,787	18,737	48,284	52,094
Support Services \| Operating segments \| All other
Segment information:
Total revenues	$ 5,714	$ 6,160	$ 18,444	$ 17,891