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Net Income (Loss) Per Share - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Number of anti-dilutive shares excluded from diluted weighted average common shares outstanding     386,178  
Dividends $ 0 $ 0 $ 0 $ 0