Other Current Assets - Schedule of Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other current assets	$ 7,911	$ 10,746
Deposits And Retainers
Other current assets	526	651
Prepaids And Others
Other current assets	1,442	1,087
Crude Oil
Other current assets	958	1,032
Pipe And Production Equipment
Other current assets	$ 4,985	$ 7,976