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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	Note 17— Subsequent Events The closing of the sale of the jackup rigs operated by the Company in Saudi Arabia, the Noble Roger Lewis, Noble Scott Marks, Noble Joe Knight, and Noble Johnny Whitstine, to ADES pursuant to the Purchase and Sale Agreement occurred in November 2021. For additional information, see “Note 7— Property and Equipment.”