XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments - Future minimum lease revenues receivable under non-cancellable operating leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
DisclosureOfFinanceLeaseAndOperatingLeaseByLessorLineItems [Line Items]    
Total $ 8,323 $ 3,078
Not later than one year [member]    
DisclosureOfFinanceLeaseAndOperatingLeaseByLessorLineItems [Line Items]    
Total $ 8,323 $ 3,078