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Earnings per Share - Additional Information (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Abstract]        
Antidilutive stock options excluded from earnings per share calculations (shares) 2,293 1,083 1,739 1,083