Revenue (Disaggregation Of Revenues, By Type) (Details) - USD ($) $ in Thousands	1 Months Ended		2 Months Ended	3 Months Ended
	Feb. 02, 2022	Feb. 02, 2021	Mar. 31, 2021	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total Revenues	$ 45,928	$ 45,928	$ 105,843	$ 197,930
Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		18,339	42,448	88,756
Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		27,589	63,395	109,174
Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		19,234	43,679	91,439
Services [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		2,005	6,264	11,158
Services [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		17,229	37,415	80,281
Rentals Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		14,434	31,314	67,162
Rentals Services [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		14,082	28,593	65,247
Rentals Services [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		352	2,721	1,915
Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		12,260	30,850	39,329
Product Sales [Member] | Rentals [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		2,252	7,591	12,351
Product Sales [Member] | Well Services [Member]
Disaggregation of Revenue [Line Items]
Total Revenues		$ 10,008	$ 23,259	$ 26,978