XML 51 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Chartered-in Vessels - Obligations related to Finance Leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Obligations relating to Finance Leases [Line Items]    
Finance lease liability $ 1,305,055 $ 1,340,922
Current obligations related to finance leases (note 5a) 72,925 71,932
Long-term obligations related to finance leases (note 5a) $ 1,232,130 $ 1,268,990