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Derivatives (Tables) | 12 Months Ended
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Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Outstanding Derivatives Entered Into Hedge Inventory or Fixed Price Purchase Commitments | At December 31, 2016, we had the following outstanding derivative commodity contracts that were entered into to economically hedge inventory or fixed price purchase commitments.
| Sell (Short) Contracts |  | Buy (Long) Contracts
Designated as hedges under accounting rules: |  |  |
Crude oil futures: |  |  |
Contract volumes (1,000 bbls) | 1,295 |  |  | — |
Weighted average contract price per bbl | $ | 49.86 |  |  | — |
Not qualifying or not designated as hedges under accounting rules: |  |  |
Crude oil futures: |  |  |
Contract volumes (1,000 bbls) | 1,413 |  |  | 1,349 |
Weighted average contract price per bbl | $ | 50.61 |  |  | $ | 51.08 |
Crude oil swaps: |  |  |
Contract volumes (1,000 bbls) | — |  |  | — |
Weighted average contract price per bbl | $ | — |  |  | — |
Diesel futures: |  |  |
Contract volumes (1,000 bbls) | 13 |  |  | — |
Weighted average contract price per gal | $ | 1.69 |  |  | $ | — |
#6 Fuel oil futures: |  |  |
Contract volumes (1,000 bbls) | 190 |  |  | 20 |
Weighted average contract price per bbl | $ | 45.91 |  |  | $ | 47.62 |
Crude oil options: |  |  |
Contract volumes (1,000 bbls) | 35 |  |  | 5 |
Weighted average premium received | $ | 1.57 |  |  | $ | 0.23 |
Schedule of Accounting Treatment And Classification of Derivative Instruments | The following table summarizes the accounting treatment and classification of our derivative instruments on our Consolidated Financial Statements.
Derivative Instrument |  | Hedged Risk |  | Impact of Unrealized Gains and Losses
|  | Consolidated Balance Sheets |  | Consolidated Statements of Operations
Designated as hedges under accounting guidance:
Crude oil futures contracts (fair value hedge) |  | Volatility in crude oil prices - effect on market value of inventory |  | Derivative is recorded in Other current assets (offset against margin deposits and offsetting change in fair value of inventory is recorded in Inventories |  | Excess, if any, over effective portion of hedge is recorded in Supply and logistics costs - product costs Effective portion is offset in cost of sales against change in value of inventory being hedged
Not qualifying or not designated as hedges under accounting guidance:
Commodity hedges consisting of crude oil, heating oil and natural gas futures and forward contracts and call options |  | Volatility in crude oil and petroleum products prices - effect on market value of inventory or purchase commitments |  | Derivative is recorded in Other current assets (offset against margin deposits) or Accrued liabilities |  | Entire amount of change in fair value of derivative is recorded in Supply and logistics costs - product costs
Schedule of Fair Value of Derivative Assets And Liabilities |
|  |  | Fair Value
| Consolidated Balance Sheets Location |  | December 31, 2016 |  |  |  | December 31, 2015
Asset Derivatives: |  |  |  |  |  |  |
Commodity derivatives—futures and call options (undesignated hedges): |  |  |  |  |  |  |
Gross amount of recognized assets | Current Assets - Other |  | $ | 443 |  |  |  |  | $ | 1,703 |
Gross amount offset in the Consolidated Balance Sheets | Current Assets - Other |  | (443 | ) |  |  |  | (388 | )
Net amount of assets presented in the Consolidated Balance Sheets |  |  | $ | — |  |  |  |  | $ | 1,315 |
Total asset derivatives |  |  | $ | — |  |  |  |  | $ | 1,315 |
Commodity derivatives—futures and call options (designated hedges): |  |  |  |  |  |  |
Gross amount of recognized assets | Current Assets - Other |  | $ | 3,321 |  |  |  |  | $ | — |
Gross amount offset in the Consolidated Balance Sheets | Current Assets - Other |  | (3,321 | ) |  |  |  | — |
Net amount of assets presented in the Consolidated Balance Sheets |  |  | $ | — |  |  |  |  | $ | — |
Liability Derivatives: |  |  |  |  |  |  |
Commodity derivatives—futures and call options (undesignated hedges): |  |  |  |  |  |  |
Gross amount of recognized liabilities | Current Assets - Other (1) |  | $ | (1,772 | ) |  |  |  | $ | (388 | )
Gross amount offset in the Consolidated Balance Sheets | Current Assets - Other (1) |  | 1,772 |  |  |  |  | 388 |
Net amount of liabilities presented in the Consolidated Balance Sheets |  |  | $ | — |  |  |  |  | $ | — |
Commodity derivatives—futures and call options (designated hedges): |  |  |  |  |  |  |
Gross amount of recognized liabilities | Current Assets - Other (1) |  | $ | (9,506 | ) |  |  |  | $ | (23 | )
Gross amount offset in the Consolidated Balance Sheets | Current Assets - Other (1) |  | 7,589 |  |  |  |  | 23 |
Net amount of liabilities presented in the Consolidated Balance Sheets |  |  | $ | (1,917 | ) |  |  |  | $ | — |
(1) | These derivative liabilities have been funded with margin deposits recorded in our Consolidated Balance Sheets under Current Assets - Other.
Schedule of Effect on Consolidated Statements of Operations And Other Comprehensive Income (Loss) |
| Amount of Gain (Loss) Recognized in Income
| Supply & Logistics Product Costs
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
Commodity derivatives—futures and call options: |  |  |  |  |
Contracts designated as hedges under accounting guidance | $ | (13,195 | ) |  | $ | (1,101 | ) |  | $ | — |
Contracts not considered hedges under accounting guidance | (5,847 | ) |  | 16,026 |  |  | 35,468 |
Total derivatives | $ | (19,042 | ) |  | $ | 14,925 |  |  | $ | 35,468 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41641-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41678-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41638-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579240-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64837297&loc=d3e41620-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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