Fresh Start Accounting - Fresh Start Adjustments, Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Feb. 05, 2021
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost	$ 4,163,205	$ 1,555,975	$ 1,155,725
Accumulated depreciation	(181,904)	(77,275)	0
Property and equipment, net	3,981,301	1,478,700	1,155,725
Drilling equipment and facilities
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			1,070,931
Construction in progress
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost	$ 123,911	$ 77,363	75,159
Other
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			9,635
Predecessor
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			4,787,661
Accumulated depreciation			(1,221,033)
Property and equipment, net			3,566,628
Predecessor | Drilling equipment and facilities
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			4,355,384
Predecessor | Construction in progress
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			231,626
Predecessor | Other
Reorganization, Chapter 11 [Line Items]
Property and equipment, at cost			$ 200,651