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Earnings Per Share ("EPS") - Additional Information (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Stock options | Common Stock      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Excluded common stock for computation of diluted earnings per share 76,500 399,000 0