Stock-Based Compensation - Schedule of Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Weighted Average Remaining Life (in years)
Weighted Average Remaining Life (in years)	1 year 7 months 6 days
Communicated Option Awards [Member]
Options outstanding
Beginning balance	0	933,500
Granted		170,000
Forfeited		(67,000)
Cancelled and settled with Replacement Awards		(1,036,500)
Ending balance		0	933,500
Exercisable at the end of the period		0
Vested and expected to vest at the end of the period		0
Weighted Average Exercise Price
Beginning balance	$ 0	$ 3.92
Granted		25.00
Forfeited		5.33
Cancelled and settled with Replacement Awards		7.29
Ending balance		0	$ 3.92
Exercisable at the end of the period		0
Vested and expected to vest at the end of the period		$ 0
Weighted Average Remaining Life (in years)
Weighted Average Remaining Life (in years)		0 years	4 years 10 months 9 days
Exercisable at the end of the period		0 years
Vested and expected to vest at the end of the period		0 years
Aggregate Intrinsic Value
Balance		$ 19,676
Cancelled and settled with Replacement Awards		$ 22,442
Balance			$ 19,676
Stock Options [Member]
Options outstanding
Beginning balance	1,920,100
Granted	1,521,335	1,945,900
Forfeited	(301,898)	(25,800)
Ending balance	3,139,537	1,920,100
Exercisable at the end of the period	1,116,888
Vested and expected to vest at the end of the period	3,139,537
Weighted Average Exercise Price
Beginning balance	$ 28.59
Granted	1.22	$ 28.47
Forfeited	26.81	19.27
Ending balance	15.50	$ 28.59
Exercisable at the end of the period	28.92
Vested and expected to vest at the end of the period	$ 15.50
Weighted Average Remaining Life (in years)
Weighted Average Remaining Life (in years)	8 years 1 month 2 days	9 years 5 months 4 days
Exercisable at the end of the period	5 years 5 months 8 days
Vested and expected to vest at the end of the period	8 years 1 month 2 days