Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 02, 2021	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 45,928	$ 648,754	$ 883,960	$ 667,249
Total cost of revenues (exclusive of depreciation, depletion, amortization and accretion)	29,773	422,252	476,951	408,131
Depreciation, depletion, amortization and accretion	8,358	219,859	98,060	115,771
General and administrative expenses	11,052	117,575	128,294	205,773
Restructuring expenses	1,270	22,952	6,375	47,055
Other (gains) and losses, net		16,726	(29,134)
Reduction in value of assets	0	0	0	23,775
Income (loss) from operations	(4,525)	(150,610)	203,414	(133,256)
Rentals [Member]
Segment Reporting Information [Line Items]
Total revenues	18,339	268,695	402,942	297,835
Total cost of revenues (exclusive of depreciation, depletion, amortization and accretion)	7,839	105,373	137,626	109,902
Depreciation, depletion, amortization and accretion	4,271	152,250	58,731	63,072
General and administrative expenses	2,027	24,812	28,139	52,718
Other (gains) and losses, net		3,609	(5,190)
Reduction in value of assets				754
Income (loss) from operations	4,202	(17,349)	183,636	71,389
Well Services [Member]
Segment Reporting Information [Line Items]
Total revenues	27,589	380,059	481,018	369,414
Total cost of revenues (exclusive of depreciation, depletion, amortization and accretion)	21,934	316,879	339,325	298,229
Depreciation, depletion, amortization and accretion	3,666	61,074	34,841	48,929
General and administrative expenses	4,111	46,780	45,898	73,200
Other (gains) and losses, net		13,117	(23,575)
Reduction in value of assets				21,038
Income (loss) from operations	(2,122)	(57,791)	84,529	(71,982)
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and accretion	421	6,535	4,488	3,770
General and administrative expenses	4,914	45,983	54,257	79,855
Restructuring expenses	1,270	22,952	6,375	47,055
Other (gains) and losses, net			(369)
Reduction in value of assets				1,983
Income (loss) from operations	$ (6,605)	$ (75,470)	$ (64,751)	$ (132,663)