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Earnings (Loss) Per Share (EPS) - Schedule of Antidilutive Shares (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Earnings Per Share [Abstract]    
Awards excluded from the computation of diluted net income per share because their inclusion would have been anti-dilutive (in shares) 123 141