Debt Instrument, Covenant, Equity Ratio

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- Definition

Debt Instrument, Covenant, Leverage Ratio

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- Definition

Debt Instrument, Covenant, Liquidity Amount

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Debt Instrument, Quarterly Margin

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments including both interest and principal payments.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt - DNB Credit Facility and New DNB Credit Facility (Details)			3 Months Ended		6 Months Ended
	Apr. 18, 2023 USD ($)	Dec. 22, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt			$ 26,397,000	$ 0	$ 26,397,000	$ 0
New DNB Credit Facility matures December 2025 \| Line of Credit
Debt Instrument [Line Items]
Borrowings on credit facilities		$ 350,000,000
Debt covenant, liquidity amount (no less than)		200,000,000
Repayments of credit facilities	$ 347,500,000
Loss on extinguishment of debt	$ 700,000
New DNB Credit Facility matures December 2025 \| Line of Credit \| Maersk Drilling
Debt Instrument [Line Items]
Debt covenant, liquidity amount (no less than)		$ 50,000,000
Debt covenant leverage ratio (no greater than)		4.75
Debt covenant equity ratio		35.00%
New DNB Credit Facility matures December 2025 \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate		3.50%
New DNB Credit Facility matures December 2025 \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Months 13 to 24 after the Utilization Date
Debt Instrument [Line Items]
Basis spread on variable rate		4.10%
Debt quarterly margin		0.15%
New DNB Credit Facility matures December 2025 \| Line of Credit \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Months 25 to 36 after the Utilization Date
Debt Instrument [Line Items]
Basis spread on variable rate		5.10%
Debt quarterly margin		0.25%
New DNB Credit Facility matures December 2025 \| Line of Credit \| Debt Instrument, Payment Period One
Debt Instrument [Line Items]
Periodic payment		$ 2,500,000
New DNB Credit Facility matures December 2025 \| Line of Credit \| Debt Instrument, Payment Period Two
Debt Instrument [Line Items]
Periodic payment		7,500,000
New DNB Credit Facility matures December 2025 \| Line of Credit \| Debt Instrument, Payment Period Three
Debt Instrument [Line Items]
Periodic payment		$ 12,500,000