Stockholder's Equity - Schedule of 2017 Nonvested Share Activity (Details) - 2017 Plan - $ / shares	5 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018	Jul. 31, 2017
Number of Shares
Non-vested, beginning balance (in shares)	0	174,000	0
Options granted (in shares)	214,000	196,550
Forfeited (in shares)	(40,000)	(27,000)
Non-vested, ending balance (in shares)	174,000	288,047	0
Weighted Average Grant Date Fair Value Per Share
Granted (in dollars per share)	$ 37.62	$ 23.26
Forfeited (in dollars per share)	49.93	24.84
Non-vested (in dollars per share)	$ 34.78	$ 27.62
Vested (in shares)		55,503
Vested (in dollars per share)		$ 34.66