Income (Loss) Per Share - Computation of Basic and Diluted Income (Loss) Per Share for Noble-UK (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net income (loss)	$ 65,816	$ 108,063	$ 37,057	$ (36,656)	$ 173,879	$ 401
Denominator:
Weighted average shares outstanding - basic (in shares)	138,058		69,789		136,502	68,722
Dilutive effect of share-based awards (in shares)	3,242		3,378		3,242	3,378
Dilutive effect of warrants (in shares)	5,692		9,535		6,810	9,185
Weighted average shares outstanding - diluted (in shares)	146,992		82,702		146,554	81,285
Basic
Net income (loss) (in usd per share)	$ 0.48		$ 0.53		$ 1.27	$ 0.01
Diluted
Net income (loss) (in usd per share)	$ 0.45		$ 0.45		$ 1.19	$ 0