Equity Incentive Plan - Summary of Total SARs Awards Outstanding under 2016 Plan (Details) - Stock Appreciation Rights (SARs) - 2016 Equity Incentive Plan - $ / shares	5 Months Ended	7 Months Ended	12 Months Ended
	May 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Beginning balance	10,647,500	10,447,500
Number of Shares, Forfeited	(200,000)
Number of Shares, Ending balance	10,447,500		10,647,500
Number of Shares, Paid out		(10,447,500)
Weighted Average Grant Date Fair Value, Beginning balance	$ 1.96	$ 1.96
Weighted Average Grant Date Fair Value, Forfeited	1.96
Weighted Average Grant Date Fair Value, Ending balance	$ 1.96		$ 1.96
Weighted Average Grant Date Fair Value/Strike Price, Paid out		$ 1.96
Weighted Average Remaining Term, Beginning balance	8 years 7 months 17 days		9 years 18 days