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Acquisitions - Business Combination - Summary of Revenue and Net Income Attributable to Assets Acquired (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ILX and Castex
Business Acquisition [Line Items]
Revenue	$ 126,857
Net income (loss)	(6,011)
Stone Energy Corporation
Business Acquisition [Line Items]
Revenue	187,211	$ 414,056	$ 332,944
Net income (loss)	$ (1,232)	$ 187,428	$ 148,473

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