XML 72 R57.htm IDEA: XBRL DOCUMENT v3.20.4
Details Of Certain Accounts - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Accrued payroll and related benefits $ 24,768 $ 31,417
Accrued interest 7,098 3,942
Investee losses in excess of investment (Note 5) 1,499 4,069
Deferred revenue (Note 12) 8,140 11,568
AROs (Note 16) 30,913 0
Other 14,617 11,393
Total accrued liabilities $ 87,035 $ 62,389