Stock-Based Compensation Non-Vested Stock Options (Details) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercisable Shares	0
Granted Shares	107,888
Less: Vested	0
Less: Forfeited Shares	0
Outstanding Shares	107,888	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding (Weighted-Average Exercise)	$ 20.44	$ 0.00
Granted (Weighted-Average Grant Date)	8.26
Granted (Weighted-Average Exercise)	20.94
Less: Forfeited (Weighted-Average Grant Date)	0.00
Less: Forfeited (Weighted-Average Exercise)	0.00
Less: Vested (Weighted-Average Grant Date)	0.00
Less: Vested (Weighted-Average Exercise)	0.00
Exercisable (Weighted-Average Exercise)	$ 0.00