Quarterly report pursuant to Section 13 or 15(d)

Additional Cash Flow Information - Net Changes in Working Capital (Details)

v3.21.2
Additional Cash Flow Information - Net Changes in Working Capital (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Supplemental Cash Flow Elements [Abstract]    
Accounts receivable $ 398 $ 2,331
Prepaid expenses and other current assets (350) (396)
Accounts payable 2,048 4,494
Accounts payable due to related parties (910) 2,300
Accrued liabilities 14,439 6,375
Other, net (746) (1,617)
Net changes in working capital $ 14,879 $ 13,487