XML 137 R58.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Details Of Certain Accounts - Other Non-Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Investee losses in excess of investment (Note 5) $ 0 $ 6,035
Deferred gain on sale of property 0 5,052
Deferred revenue (Note 12) 8,286 15,767
Asset retirement obligations (Note 16) 28,258 0
Derivative liability (Note 21) 0 884
Other 2,100 11,800
Total other non-current liabilities $ 38,644 $ 39,538
Term of lease agreement 15 years