XML 155 R140.htm IDEA: XBRL DOCUMENT v3.21.1
Related-party Transactions (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
IFRS Statement [Line Items]    
Current receivables due from related parties $ 1,200 $ 1,200
VST [Member]    
IFRS Statement [Line Items]    
Current receivables due from related parties $ 1,200 $ 1,200