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Earnings Per Share - Additional Information (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Stock Option And Restricted Stock Awards [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Company's stock options and restricted stock awards outstanding were excluded from the calculation of diluted earnings 1 0 2