Debt - Amended and Restated Senior Secured Revolving Credit Agreement (Details) - 2013 Revolving Credit Agreement - Revolving Credit Facility - Line of Credit - USD ($)	Apr. 18, 2023	Jun. 30, 2023
Debt Instrument [Line Items]
Credit facility of maximum borrowing capacity	$ 550,000,000
Long-term debt		$ 0
Letters of credit outstanding amount		$ 19,100,000
Debt covenant, revenue from collateral rigs to revenue of all rigs, threshold percentage	80.00%
Debt covenant, ratio of aggregated value from collateral rigs to the commitment (at least)	500.00%
Debt, interest rate on overdue principal	2.00%
Debt, excess interest rate	2.00%
Debt mandatory prepayments term, available cash benchmark	$ 250,000,000
Debt covenant, interest coverage ratio	250.00%
Debt covenant leverage ratio (no greater than)	3.00
Period from and including the Effective Date to and including the third anniversary of the Effective Date
Debt Instrument [Line Items]
Debt commitment fee percentage	0.50%
Period from the third anniversary of the Effective Date to and including the fourth anniversary of the Effective Date
Debt Instrument [Line Items]
Debt commitment fee percentage	1.00%
Thereafter
Debt Instrument [Line Items]
Debt commitment fee percentage	0.75%
Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Secured Overnight Financing Rate (SOFR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	3.75%
Secured Overnight Financing Rate (SOFR) | Variable Rate Component One
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Secured Overnight Financing Rate (SOFR) | Variable Rate Component Two
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Additional basis spread on variable rate	1.00%
Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
NYFRB Rate | Variable Rate Component Two
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%