Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Feb. 02, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Total revenues	$ 45,928,000	$ 165,892,000	$ 151,582,000	$ 271,735,000	$ 385,821,000
Costs and expenses:
Cost of revenues	29,773,000	103,579,000	93,426,000	171,447,000	230,939,000
Depreciation, depletion, amortization and accretion	8,358,000	59,018,000	28,708,000	99,048,000	60,889,000
General and administrative expenses	11,052,000	32,308,000	55,528,000	50,746,000	114,804,000
Restructuring and other expenses	1,270,000	7,438,000		15,821,000
Reduction in value of assets					16,522,000
Loss from operations	(4,525,000)	(36,451,000)	(26,080,000)	(65,327,000)	(37,333,000)
Other income (expense):
Interest income (expense), net	202,000	535,000	(24,757,000)	747,000	(49,898,000)
Reorganization items, net	335,560,000			0
Other income (expense)	(2,105,000)	2,570,000	821,000	(275,000)	(3,411,000)
Income (loss) from continuing operations before income taxes	329,132,000	(33,346,000)	(50,016,000)	(64,855,000)	(90,642,000)
Income tax expense (benefit)	(60,003,000)	1,747,000	4,324,000	6,032,000	14,160,000
Net income (loss) from continuing operations	269,129,000	(31,599,000)	(45,692,000)	(58,823,000)	(76,482,000)
Income (loss) from discontinued operations, net of income tax	(352,000)	(19,400,000)	(19,414,000)	(28,806,000)	(68,088,000)
Net income (loss)	$ 268,777,000	$ (50,999,000)	$ (65,106,000)	$ (87,629,000)	$ (144,570,000)
Income (loss) per share -basic and diluted
Net income (loss) from continuing operations		$ (1.58)	$ (3.08)
Income (loss) from discontinued operations, net of income tax		(0.97)	(1.31)
Net income (loss)		$ (2.55)	$ (4.39)
Income (loss) per share -basic
Net income (loss) from continuing operations	$ 18.13			$ (2.94)	$ (5.18)
Income (loss) from discontinued operations, net of income tax	(0.02)			(1.44)	(4.61)
Net income (loss)	18.11			(4.38)	(9.79)
Income (loss) per share - diluted:
Net income (loss) from continuing operations	18.05			(2.94)	(5.18)
Income (loss) from discontinued operations, net of income tax	(0.02)			(1.44)	(4.61)
Net income (loss)	$ 18.03			$ (4.38)	$ (9.79)
Weighted-average shares outstanding - basic and diluted		19,999	14,826
Weighted-average shares outstanding - basic	14,845			19,997	14,767
Weighted-average shares outstanding - diluted	14,905			19,997	14,767
Services [Member]
Revenues:
Total revenues	$ 19,234,000	$ 79,787,000	$ 59,919,000	$ 123,466,000	$ 163,722,000
Costs and expenses:
Cost of revenues	15,080,000	54,176,000	47,685,000	95,478,000	122,867,000
Depreciation, depletion, amortization and accretion	3,500,000	28,384,000	11,483,000	44,748,000	25,831,000
Rentals [Member]
Revenues:
Total revenues	14,434,000	53,238,000	51,758,000	84,552,000	141,085,000
Costs and expenses:
Cost of revenues	5,876,000	24,750,000	19,307,000	34,949,000	50,234,000
Depreciation, depletion, amortization and accretion	2,627,000	18,940,000	9,761,000	30,841,000	22,266,000
Product Sales [Member]
Revenues:
Total revenues	12,260,000	32,867,000	39,905,000	63,717,000	81,014,000
Costs and expenses:
Cost of revenues	8,817,000	24,653,000	26,434,000	41,020,000	57,838,000
Depreciation, depletion, amortization and accretion	$ 2,231,000	$ 11,694,000	$ 7,464,000	$ 23,459,000	$ 12,792,000