Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation and Cash-Based Incentive Compensation - Schedule of Restricted Stock Awards Outstanding (Parenthetical) (Details)

v2.4.0.8
Share-Based Compensation and Cash-Based Incentive Compensation - Schedule of Restricted Stock Awards Outstanding (Parenthetical) (Details) (Restricted Stock Units (RSUs), Restricted Stock Units subject to service and other requirements)
6 Months Ended
Jun. 30, 2014
Minimum | 2014
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 0.00%
Minimum | 2015
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 0.00%
Minimum | 2016
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 0.00%
Maximum | 2014
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 150.00%
Maximum | 2015
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 200.00%
Maximum | 2016
 
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Restricted stock units adjustments, percentage 100.00%