XML 46 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation - Schedule of Weighted Average Assumptions (Details) - $ / shares
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Volatility 30.68% 32.58%
Risk-free interest rate 1.93% 1.23%
Expected term (years) 5 years 5 years
Dividend yield 0.00% 0.00%
Grant-date fair value $ 7.00 $ 7.81