XML 90 R75.htm IDEA: XBRL DOCUMENT v3.21.1
Voyage revenues (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]      
Voyage revenues $ 693,241 $ 821,365 $ 651,561
Time charters [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Voyage revenues 309,503 373,927 397,499
Voyage charters [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Voyage revenues 385,482 437,779 253,812
Pool adjustment [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Voyage revenues $ (1,744) $ 9,659 $ 250