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Share-based Compensation and Equity - Stock Option Activity Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jun. 13, 2013
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted-average estimated fair value of stock options granted (in dollars per share)   $ 7.67 $ 7.84 $ 12.03  
Stock compensation expense not yet recognized, options   $ 5,443      
Employee Time Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period   1 year 3 months 24 days      
Employee Stock Time Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation expense not yet recognized, options   $ 5,426      
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation expense not yet recognized, options   $ 17      
Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period   1 year 9 months      
Stock compensation costs not yet recognized, awards other than options   $ 11,485      
Time Based Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation costs not yet recognized, awards other than options   6,299      
Performance Based Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation costs not yet recognized, awards other than options   4,774      
Market Based Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation costs not yet recognized, awards other than options   $ 412      
2013 Long-Term Incentive Plan | Employee Time Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock compensation expense not yet recognized, options         $ 5,000
2013 Long-Term Incentive Plan | Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award catch up period 8 years        
2013 Long-Term Incentive Plan | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award catch up period 8 years        
2013 Long-Term Incentive Plan | Minimum | Employee Time Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period 3 years        
2013 Long-Term Incentive Plan | Minimum | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period 3 years        
2013 Long-Term Incentive Plan | Maximum | Employee Time Options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period 5 years        
2013 Long-Term Incentive Plan | Maximum | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period 5 years