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Earnings Per Share - Reconciliation of Amounts Used in Calculating Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Numerator:      
Net (loss) income attributable to common shareholders $ (22,385) $ (76,023) $ 18,703
Dividends paid on unvested shares and units 0 (50) (297)
Net (loss) income attributable to common shareholders $ (22,385) $ (76,073) $ 18,406
Denominator:      
Weighted average number of common shares - basic (in shares) 48,349,027 46,961,039 46,788,784
Effect of dilutive securities:      
Unvested shares (in shares)     234,496
Weighted average number of common shares - diluted (In shares) 48,349,027 46,961,039 47,023,280
Basic (loss) income per Common Share:      
Net (loss) income attributable to common shareholders per weighted average basic common share (in dollars per share) $ (0.46) $ (1.62) $ 0.39
Diluted (loss) income per Common Share:      
Net (loss) income attributable to common shareholders per weighted average diluted common share (in dollars per share) $ (0.46) $ (1.62) $ 0.39