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Revenues from continuing operations (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Total $ 108,374 $ 117,595 $ 116,672
Time charters (operating leases)      
Total 108,374 107,923 112,499
Voyage charters      
Total $ 0 $ 9,672 $ 4,173