Other Assets

6 Months Ended

Jun. 30, 2018

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

Other Assets

OTHER ASSETS

Prepaid expense and other assets consist of the following:

	June 30, 2018		December 31, 2017
Commodity derivatives and related collateral, net	$	4,674	$	1,610
Prepaid expenses	21,414		11,733
Deposits	1,915		2,899
RIN inventory	10,195		27,028
Taxes receivable	5,103		6,356
Other	1,993		2,254
Total	$	45,294	$	51,880

RIN inventory values were adjusted in the amounts of $2,317 and $2,629 at June 30, 2018 and December 31, 2017, respectively, to reflect the lower of cost or net realizable value.

Other noncurrent assets consist of the following:

	June 30, 2018		December 31, 2017
Spare parts inventory	$	2,700	$	2,764
Catalysts	2,410		2,962
Deposits	381		381
Other	1,784		933
Total	$	7,275	$	7,040