CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Revenues	$ 302,283,000	$ 301,875,000	$ 76,236,000
Operating expenses:
Lease operating expenses	37,348,000	37,881,000	10,344,000
Production and ad valorem taxes	17,432,000	15,635,000	4,072,000
Gathering and transportation	5,756,000	4,939,000	2,976,000
Depreciation, depletion, amortization and accretion	137,937,000	141,815,000	36,091,000
Impairment of oil and natural gas properties	0	0	1,061,000
Exploration costs	15,917,000	4,374,000	1,747,000
General and administrative	35,729,000	30,469,000	13,428,000
Transaction costs	0	0	2,618,000
(Gain) loss on disposition of property and equipment	(11,117,000)	499,000	(4,995,000)
Total operating expenses	239,002,000	235,612,000	67,342,000
Operating income	63,281,000	66,263,000	8,894,000
Other income (expense):
Interest expense, net	(25,228,000)	(19,489,000)	(2,532,000)
Gain (loss) on commodity derivative instruments, net	(65,338,000)	92,604,000	(16,336,000)
Other expense, net	(660,000)	(3,254,000)	(284,000)
Total other income (expense), net	(91,226,000)	69,861,000	(19,152,000)
Income (loss) before income taxes	(27,945,000)	136,124,000	(10,258,000)
Income tax (benefit) expense	2,143,000	18,162,000	1,690,000
Net income (loss)	(30,088,000)	117,962,000	(11,948,000)
Net income (loss) attributable to noncontrolling interest	(38,503,000)	59,926,000	(18,811,000)
Net income attributable to Rosehill Resources Inc. before preferred stock dividends	8,415,000	58,036,000	6,863,000
Series A Preferred Stock dividends and deemed dividends	8,174,000	7,938,000	12,936,000
Series B Preferred Stock dividends, deemed dividends, and return	23,590,000	23,437,000	2,447,000
Net income (loss) attributable to Rosehill Resources Inc. common stockholders	$ (23,349,000)	$ 26,661,000	$ (8,520,000)
Earnings (loss) per common share:
Basic (USD per share)	$ (1.61)	$ 3.25	$ (1.43)
Diluted (USD per share)	$ (1.61)	$ 1.76	$ (1.43)
Weighted average common shares outstanding:
Basic (shares)	14,475	8,196	5,945
Diluted (shares)	14,475	46,499	5,945
Oil sales
Revenues:
Revenues	$ 286,710,000	$ 271,539,000	$ 61,596,000
Natural gas sales
Revenues:
Revenues	2,489,000	9,392,000	7,171,000
Natural gas liquids sales
Revenues:
Revenues	$ 13,084,000	$ 20,944,000	$ 7,469,000