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Earnings Per Share - Additional Information (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Earnings Per Share        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 937,000 1,200,000 1,048,000 1,200,000
Weighted Average Price of Antidilutive Securities Excluded from Computation of Earnings Per Share (in dollars per share) $ 26.83 $ 26.74 $ 25.85 $ 26.74