Share-Based Compensation and Cash-Based Incentive Compensation - Schedule of Restricted Stock Units Outstanding (Parenthetical) (Details) - Restricted Stock Units (RSUs) - 2015 - Restricted Stock Units subject to service and other requirements	6 Months Ended
	Jun. 30, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units adjustments, minimum percentage	0.00%
Restricted stock units adjustments, maximum percentage	200.00%