Stock-Based Compensation - Schedule of Non-Qualified Stock Options, Activity (Details) - Non-Qualified Stock Options (NQO) - $ / shares
shares in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Shares      
Outstanding at beginning of year (in shares) 0 486 446
Granted (in shares)   87 58
Exercised (in shares)   (158) (18)
Forfeited, canceled or expired (in shares)   (31) 0
Conversion related to the Spin-off (in shares) [1] 275    
Outstanding at end of year (in shares) 446 384 486
Options exercisable (in shares) 47 214 212
Weighted Average Exercise Price Per Share      
Outstanding at beginning of year (in dollars per share) $ 0.00 $ 19.25 $ 17.43
Granted (in dollars per share)   20.06 31.52
Exercised (in dollars per share)   13.63 13.37
Forfeited, canceled or expired (in dollars per share)   22.51 0.00
Conversion related to the Spin-off (in dollars per share) 14.83    
Outstanding at end of year (in dollars per share) 17.43 21.47 19.25
Options exercisable (in dollars per share) $ 13.12 $ 20.35 $ 16.13
Spinoff      
Shares      
Granted (in shares) 171 0 0
Weighted Average Exercise Price Per Share      
Granted (in dollars per share) $ 20.62 $ 0.00 $ 0.00
[1] The weighted average grant date fair value of the stock options converted is equal to the weighted average grant date fair value of such stock options prior to the Spin-off, reduced by the Spin-off conversion adjustment.