Derivatives (Tables)

12 Months Ended

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