Supplementary Information on Oil and Natural Gas Activities (Unaudited) - Schedule of Capitalized Costs Relating to Oil and Natural Gas Producing Activities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Extractive Industries [Abstract]
Proved oil and natural gas properties	$ 118,245	$ 71,463
Unproved oil and natural gas properties, net	980,844	2,287,570
Gross capitalized costs	1,099,089	2,359,033
Accumulated depreciation, depletion and amortization	(20,204)
Net capitalized costs	$ 1,078,885	$ 2,359,033