Property and Equipment- Net Income before Income Taxes for Assets classified as Held for Sale (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
Feb. 05, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Held for sale, not discontinued operations \| Jackup Rigs in Saudi Arabia
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income before income taxes	$ 3,128	$ 9,768	$ 741	$ 15,176	$ 20,061

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No definition available.

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