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Commitments and Contingencies - Contractual Obligations and Commitments (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Long Term Debt Obligations  
Total $ 28,665
Less than 1 Year 1,755
1-3 Years 26,910
3-5 Years 0
More than 5 years 0
Operating Leases  
Total 5,896
Less than 1 Year 1,065
1-3 Years 3,303
3-5 Years 1,528
More than 5 years 0
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]  
Total 180,465
Less than 1 Year 137,762
1-3 Years 41,175
3-5 Years 1,528
More than 5 years 0
Purchase Obligation Principally Employment And Consulting Services  
Purchase Obligation, Fiscal Year Maturity [Abstract]  
Total 7,285
Less than 1 Year 3,561
1-3 Years 3,724
Purchase Obligation Major Vendors  
Purchase Obligation, Fiscal Year Maturity [Abstract]  
Total 138,619
Less than 1 Year 131,381
1-3 Years $ 7,238