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Equity Method Investment In ARO Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) jackup drillship	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) jackup drillship	Sep. 30, 2022 USD ($)	Jan. 31, 2020 drillship
Schedule of Equity Method Investments [Line Items]
Number of Rigs Owned by ARO | jackup	7		7
Total Number Of Contract Drilling Rigs	51		51
Number of Newbuild Jackup Rigs | jackup	20		20
Order Period			10 years
ARO Rigs Under Construction | drillship	2		2		2
Shareholder Notes Payable, Term			10 years
ARO
Schedule of Equity Method Investments [Line Items]
Early Repayment Of Principal From Joint Venture Non Current		$ 40,000
Equity Method Investment Summarized Financial Information Non Cash Interest Income		14,800
Other
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs	8		8
ARO
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs	7		7
ARO
Schedule of Equity Method Investments [Line Items]
Lease Revenue From Related Party	$ 19,100	$ 13,800	$ 54,700	$ 42,600
London Interbank Offered Rate (LIBOR)
Schedule of Equity Method Investments [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.00%
Middle East & Africa
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs	16		16
Middle East & Africa | Other
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs	8		8
Middle East & Africa | ARO
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs	7		7
Middle East & Africa | Work-in-progress | ARO
Schedule of Equity Method Investments [Line Items]
Total Number Of Contract Drilling Rigs | drillship	2		2
ARO
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%		50.00%

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