Revenue and Customers - Favorable and Unfavorable contracts (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Unfavorable contracts
Beginning balance	$ (181,883)
Ending balance	(63,312)
Maersk Drilling
Unfavorable contracts
Beginning balance	(181,883)	$ 0
Additions	0	0
Amortization	118,571	0
Ending balance	(63,312)	0
Maersk Drilling \| Favorable contracts
Favorable contracts
Beginning balance	34,372	61,849
Additions	0	0
Amortization	(23,031)	(36,526)
Ending balance	$ 11,341	$ 25,323

Change In Contract With Customer, Assets

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- Definition

Change In Contract With Customer, Liability

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- Definition

Contract with Customer, Liability, Noncurrent, Amortization

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration from customer has been received or is due, from business combination.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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