XML 69 R36.htm IDEA: XBRL DOCUMENT v3.19.3
Voyage revenues (Tables)
6 Months Ended
Jun. 30, 2019
Disaggregation of Revenue [Abstract]  
Disaggregation of revenue
         
  Six months period ended
  2018   2019
         
Time charters $ 152,079 $ 176,709
Voyage charters   99,029   145,443
Pool revenues                      2,553                      2,130
  $                253,661 $                324,282