Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Operating Lease Obligations For Rentals) (Details)

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Commitments And Contingencies (Operating Lease Obligations For Rentals) (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Other Lease Obligations for rentals  
Gross Obligation, 2017 $ 3,112
Gross Obligation, 2018 1,035
Gross Obligation, 2019 407
Gross Obligation, 2020 340
Gross Obligation, Total 4,894
Full Charter Payment [Member]  
Other Lease Obligations for rentals  
Gross Obligation, 2017 8,918
Gross Obligation, 2018 2,419
Gross Obligation, 2019 407
Gross Obligation, 2020 340
Gross Obligation, Total $ 12,084