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Net Loss Per Common Share - Basic Net Loss Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Earnings Per Share [Abstract]        
Net loss $ (8,426) $ (2,339) $ (29,783) $ (12,500)
Adjustments:        
Dividends on Series B Convertible Preferred Stock 1,670 1,574 4,884 3,613
Accretion of increasing-rate dividend feature 0 0 0 926
Total adjustments 1,670 1,574 4,884 4,539
Net loss available to common stockholders $ (10,096) $ (3,913) $ (34,667) $ (17,039)
Weighted average common shares outstanding (in shares) 113,448,251 110,717,073 112,650,713 110,136,517
Basic net loss per common share (in dollars per share) $ (0.09) $ (0.04) $ (0.31) $ (0.15)