Divestitures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Feb. 11, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Severance Costs	$ 400		$ 500	$ 400
Proceeds from sale of assets			14,769	977
Restricted cash	14,347		14,347			$ 0
Gain (Loss) on Sale of Assets and Asset Impairment Charges	2,936	$ 802	3,227	901
Lubricant Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Sale of Assets and Asset Impairment Charges				$ (600)
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Lubricant Business - New Mexico [Member] | Property, Plant and Equipment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets Held-for-sale, Not Part of Disposal Group	2,400		2,400
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Lubricant Business - New Mexico [Member] | Inventories [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets Held-for-sale, Not Part of Disposal Group					$ 1,100
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Lubricant Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of assets	$ 14,700		$ 2,800
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Lubricant Business [Member] | Property, Plant and Equipment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets Held-for-sale, Not Part of Disposal Group						7,300
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Lubricant Business [Member] | Inventories [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets Held-for-sale, Not Part of Disposal Group						$ 10,100
Senior Notes [Member] | 7.5% WNRL Secured Notes, due 2023 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							7.50%