Stockholder's Equity - Schedule of Pre-2017 Non-Qualified Stock Options Nonvested Share Activity (Details) - Pre-2017 Non-Qualified Stock Options - $ / 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)	339,871	288,902	90,833
Granted (in shares)			320,000
Vested (in shares)	(50,969)	(150,552)	(70,962)
Non-vested, ending balance (in shares)	288,902	138,350	339,871
Weighted Average Grant Date Fair Value Per Share
Non-vested, beginning balance (in dollars per share)	$ 7.93	$ 7.87	$ 7.27
Granted (in dollars per share)			7.70
Vested (in dollars per share)	9.29	7.92	6.70
Non-vested, ending balance (in dollars per share)	$ 7.87	$ 7.84	$ 7.93