Stock-Based Compensation - Schedule of Impact of Stock-Based Compensation in Consolidated and Combined Statements of Income (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Compensation cost for awards $ 2,324
Future tax benefit 827
Compensation costs for equity-based awards  
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Compensation cost for awards 2,095
Compensation costs for liability-based awards  
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Compensation cost for awards $ 229