XML 57 R44.htm IDEA: XBRL DOCUMENT v3.20.2
Leases - Operating lease liabilities classification (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Leases    
Operating lease liabilities - current $ 4,468 $ 6,505
Operating lease liabilities - non-current 9,962 14,110
Total $ 14,430 $ 20,615