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Earnings Per Share - Additional Information (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Options [Member]      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Securities excluded from the diluted earnings per share computation (in shares) 25,000 25,000 6,067