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Commitments and Contingencies Estimated Annual Lease, Royalty, and Employment Agreement Expenses (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2016 $ 2,818
2017 2,340
2018 1,766
2019 1,763
2020 352
Total Contractual commitments $ 9,039