BUSINESS SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment information:
Total revenues	$ 330,417	$ 459,601	$ 1,222,943	$ 1,119,732
Operating Segments
Segment information:
Total revenues	330,417	459,601	1,222,943	1,119,732
Technical Services
Segment information:
Total revenues	303,069	435,775	1,145,078	1,058,227
Technical Services | Pressure Pumping
Segment information:
Total revenues	110,622	257,933	585,243	572,472
Technical Services | Downhole Tools
Segment information:
Total revenues	96,261	102,831	305,254	273,828
Technical Services | Coiled Tubing
Segment information:
Total revenues	36,820	37,407	115,241	100,572
Technical Services | Cementing [Member]
Segment information:
Total revenues	26,731	6,489	38,995	15,429
Technical Services | Nitrogen
Segment information:
Total revenues	12,211	10,335	37,027	28,727
Technical Services | Snubbing
Segment information:
Total revenues	5,669	7,100	20,432	20,337
Technical Services | All other
Segment information:
Total revenues	14,755	13,680	42,886	46,862
Support Services
Segment information:
Total revenues	27,348	23,826	77,865	61,505
Support Services | Rental Tools
Segment information:
Total revenues	20,119	17,880	56,129	45,257
Support Services | All other
Segment information:
Total revenues	$ 7,229	$ 5,946	$ 21,736	$ 16,248