Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Additional Cash Flow Information - Net Changes in Working Capital (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Supplemental Cash Flow Elements [Abstract]    
Accounts receivable $ 1,811 $ (2,166)
Prepaid expenses and other current assets 2,262 (1,166)
Accounts payable 3,280 (6,936)
Accrued liabilities 2,500 7,141
Other, net (662) (543)
Net changes in working capital $ 9,191 $ (3,670)