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Capital Stock and Share-Based Compensation - Restricted Stock Units Issued and Outstanding (Parenthetical) (Details) - 2010 Incentive Award Plan - Restricted Stock Units (RSUs)
Dec. 31, 2016
$ / shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Common stock fair value per share $ 21.00
Restricted stock units purchase price per share $ 0