Net Loss Per Share - Computation of Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Weighted average shares outstanding - basic and diluted (shares)	111,780,571	109,552,602
Net loss	$ (40,572)	$ (19,259)
Net loss per share - basic and diluted ($ per share)	$ (0.36)	$ (0.18)