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Earnings (Loss) Per Share - Additional Information (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings (Loss) Per Share        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 1,127,000 1,169,000 1,074,000 1,181,000
Weighted Average Price of Antidilutive Securities Excluded from Computation of Earnings Per Share (in dollars per share) $ 26.14 $ 24.71 $ 25.95 $ 26.06