Consolidated Statements of Operations - USD ($) shares in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 23, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Total revenues	$ 169,379,000	$ 556,066,000	$ 1,056,179,000	$ 841,278,000
Operating expenses:
Depreciation	92,758,000	68,504,000	111,301,000	103,478,000
General and administrative	15,036,000	53,494,000	72,248,000	70,196,000
Impairment of assets	197,027,000	132,449,000	0	0
Gain on disposition of assets	(5,486,000)	(1,024,000)	(4,382,000)	(4,895,000)
Total operating expenses	496,438,000	707,246,000	1,005,118,000	904,723,000
Operating income (loss)	(327,059,000)	(151,180,000)	51,061,000	(63,445,000)
Other income (expense):
Interest income	30,000	3,000	1,637,000	18,000
Interest expense (excludes $35,390 of contractual interest expense on debt subject to compromise for the period from January 1, 2021 through April 23, 2021.)	(34,827,000)	(26,180,000)	(53,416,000)	(40,423,000)
Foreign currency transaction loss	(172,000)	(997,000)	(5,920,000)	(3,023,000)
Loss on extinguishment of long-term debt	0	0	(6,529,000)	0
Reorganization items, net	(1,639,763,000)	(8,088,000)	0	0
Other, net	398,000	10,752,000	(556,000)	1,267,000
Loss before income tax (expense) benefit	(2,001,393,000)	(175,690,000)	(13,723,000)	(105,606,000)
Income tax (expense) benefit	39,404,000	(1,654,000)	(30,983,000)	2,395,000
Net loss	$ (1,961,989,000)	$ (177,344,000)	$ (44,706,000)	$ (103,211,000)
Earnings Per Share, Basic	$ (14.21)	$ (1.77)	$ (0.44)	$ (1.03)
Earnings Per Share, Diluted	$ (14.21)	$ (1.77)	$ (0.44)	$ (1.03)
Weighted Average Number of Shares Outstanding, Basic	138,054	100,071	101,842	100,561
Weighted Average Number of Shares Outstanding, Diluted	138,054	100,071	101,842	100,561
Contract Drilling [Member]
Revenues:
Total revenues	$ 153,364,000	$ 465,328,000	$ 983,983,000	$ 724,744,000
Operating expenses:
Contract drilling, excluding depreciation	181,626,000	364,539,000	757,193,000	620,982,000
Reimbursable Expenses [Member]
Revenues:
Total revenues	16,015,000	90,738,000	72,196,000	116,534,000
Operating expenses:
Contract drilling, excluding depreciation	$ 15,477,000	$ 89,284,000	$ 68,758,000	$ 114,962,000