Prepaid and Other Current Assets

6 Months Ended

Jun. 30, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid and Other Current Assets

Prepaid and Other Current Assets

Prepaid and other current assets at June 30, 2017 and December 31, 2016 consisted of the following (in thousands):

	June 30, 2017		December 31, 2016
Advances to suppliers for crude oil purchases	$	—	$	38,300
Collateral posted with broker for derivative instruments	4,005		2,714
Prepaid insurance	2,608		7,504
Derivative assets	630		161
Other	6,326		4,701
Total	$	13,569	$	53,380