Stock-Based and Other Incentive Compensation - Other Incentive Plans (Details) (Asia Pacific Plan, USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Asia Pacific Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period under consideration for share based compensation	4 years
Maximum compensation with liquidity event not occuring	$ 35,000,000
Maximum compensation with liquidity event occuring	50,000,000
Liquidity percentage change	20.00%
Compensation amount accrued	$ 800,000	$ 1,900,000

Share-based Compensation Arrangement by Share-based Payment Award, Compensation Amount Accrued

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