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(Net Loss) Earnings per Share - Schedule of Antidilutive Securities Excluded from Computation of Basic and Diluted (Net Loss) Earnings per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Class B Common Stock | RSUs      
Earnings Per Share [Line Items]      
Stock options to purchase shares and RSUs 4,917 1,162 505