Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 02, 2021	Mar. 31, 2021	Mar. 31, 2020
Revenues:
Total revenues	$ 56,647,000	$ 129,095,000	$ 321,497,000
Costs and expenses:
Cost of revenues	39,962,000	89,698,000	211,686,000
Depreciation, depletion, amortization and accretion	10,498,000	52,807,000	41,355,000
General and administrative expenses	12,164,000	20,937,000	65,157,000
Restructuring and other expenses	1,270,000	8,383,000
Reduction in value of assets			16,522,000
Loss from operations	(7,247,000)	(42,730,000)	(13,223,000)
Other income (expense):
Interest income (expense), net	204,000	215,000	(25,134,000)
Reorganization items, net	335,560,000	0
Other income (expense):	(2,104,000)	(2,845,000)	(4,232,000)
Income (loss) from continuing operations before income taxes	326,413,000	(45,360,000)	(42,589,000)
Income tax expense (benefit)	59,901,000	(7,852,000)	(10,254,000)
Net income (loss) from continuing operations	266,512,000	(37,508,000)	(32,335,000)
Income (loss) from discontinued operations, net of income tax	2,265,000	878,000	(47,129,000)
Net income (loss)	$ 268,777,000	$ (36,630,000)	$ (79,464,000)
Income (loss) per share -basic
Net income (loss) from continuing operations	$ 17.96	$ (1.87)	$ (2.18)
Income (loss) from discontinued operations	0.15	0.04	(3.18)
Net income (loss)	18.11	(1.83)	(5.36)
Income (loss) per share - diluted:
Net income (loss) from continuing operations	17.88	(1.87)	(2.18)
Income (loss) from discontinued operations	0.15	0.04	(3.18)
Net income (loss)	$ 18.03	$ (1.83)	$ (5.36)
Weighted-average Class A shares outstanding - basic	14,845	19,996	14,809
Weighted-average Class A shares outstanding - diluted	14,905	19,996	14,809
Services [Member]
Revenues:
Total revenues	$ 30,189,000	$ 69,801,000	$ 180,236,000
Costs and expenses:
Cost of revenues	25,182,000	58,473,000	140,199,000
Depreciation, depletion, amortization and accretion	5,564,000	28,516,000	23,159,000
Rentals [Member]
Revenues:
Total revenues	15,123,000	32,915,000	100,105,000
Costs and expenses:
Cost of revenues	6,724,000	14,280,000	40,043,000
Depreciation, depletion, amortization and accretion	2,834,000	13,466,000	12,820,000
Product Sales [Member]
Revenues:
Total revenues	11,335,000	26,379,000	41,156,000
Costs and expenses:
Cost of revenues	8,056,000	16,945,000	31,444,000
Depreciation, depletion, amortization and accretion	$ 2,100,000	$ 10,825,000	$ 5,376,000