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Contingent Liabilities and Commitments Contingent Liabilities and Commitments - Contractual Obligations (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Long-term debt  
Total $ 815
Less than 1 Year 268
1 to 3 Years 547
3 to 5 Years 0
More than 5 Years 0
Long-term related party payable (undiscounted)  
Total 278,236
Less than 1 Year 35,226
1 to 3 Years 57,466
3 to 5 Years 60,587
More than 5 Years 124,957
Purchase commitments  
Total 41,721
Less than 1 Year 12,266
1 to 3 Years 11,908
3 to 5 Years 2,252
More than 5 Years 15,295
Operating leases  
Total 4,982
Less than 1 Year 1,390
1 to 3 Years 1,837
3 to 5 Years 1,155
More than 5 Years 600
Total contractual cash obligations  
Total 325,754
Less than 1 Year 49,150
1 to 3 Years 71,758
3 to 5 Years 63,994
More than 5 Years $ 140,852