Prepaid and Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2017

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

Schedule of Other Current Assets

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

	March 31, 2017		December 31, 2016
Advances to suppliers for crude oil purchases	$	7,793	$	38,300
Collateral posted with broker for derivative instruments	3,190		2,714
Prepaid insurance	5,088		7,504
Derivative assets	3,437		161
Other	5,138		4,701
Total	$	24,646	$	53,380