Loss Per Common Share - Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net loss	$ (4,311)	$ 1,150	$ (5,220)	$ (5,286)	$ (3,161)	$ (10,506)
Weighted average basic and diluted common shares outstanding (in shares)	87,174,533		44,368,174		87,126,847	44,363,115
Basic and diluted loss per common share (in usd per share)	$ (0.05)		$ (0.12)		$ (0.04)	$ (0.24)