Stockholder's Equity - Schedule of 2017 Nonvested Share Activity (Details) - 2017 Plan - $ / shares	5 Months Ended	12 Months Ended
	Dec. 31, 2017	Jul. 31, 2017
Number of Shares
Non-vested, beginning balance (in shares)	0	0
Options granted (in shares)	(214,000)
Forfeited (in shares)	(40,000)
Non-vested, ending balance (in shares)	174,000	0
Weighted Average Grant Date Fair Value Per Share
Granted (in dollars per share)	$ 37.62
Forfeited (in dollars per share)	49.93
Non-vested (in dollars per share)	$ 34.78