Summary of Significant Accounting Policies - Computation of Earnings (Loss) per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic income/(loss) per share computation:
Net income/(loss)	$ 2,153	$ (26,836)
Weighted average common shares - basic (in shares)	58,472,427	5,387,933
Basic income/(loss) per share (in dollars per share)	$ 0.04	$ (4.98)
Diluted income/(loss) per share computation:
Net income/(loss)	$ 2,153	$ (26,836)
Series D conversion gain	78	0
Net income/(loss) - diluted	$ 2,231	$ (26,836)
Share Computation:
Weighted average common shares - basic (in shares)	58,472,427	5,387,933
Effect of convertible senior notes (in shares)	184,668	0
Effect of dilutive stock options and RSU's (in shares)	1,402,970	0
Effect of convertible preferred stock (in shares)	17,082,285	0
Weighted average common shares - diluted (in shares)	77,142,350	5,387,933
Diluted income/(loss) per share (in dollars per share)	$ 0.03	$ (4.98)