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Debt Debt Capitalized Leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Operating Leased Assets [Line Items]    
Capital Leased Assets, Gross $ 4,900 $ 3,000
Capital Leases, Accumulated Depreciation 2,400 $ 1,100
Capital Lease Obligations [Member]    
Operating Leased Assets [Line Items]    
Capital lease obligations, payments in next twelve months 1,340  
Capital lease obligations, payments in year two 679  
Capital lease obligations, payments in year three 431  
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 10  
Capital Leases, Future Minimum Payments Due 2,460  
Capital leases interest included in payments (165)  
Capital Leases, Future Minimum Payments, Net Minimum Payments $ 2,295