Financial Instruments and Concentrations of Risk (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

The tables below summarize the balances of these assets and liabilities at December 31, 2013 and 2012 (in thousands):

	December 31, 2013									December 31, 2012
	Level 1			Netting*			Total			Level 1			Netting*			Total
Assets:
Commodity derivatives	$	36		$	(36	)	$	—		$	22		$	(22	)	$	—
Total assets	$	36		$	(36	)	$	—		$	22		$	(22	)	$	—
Liabilities:
Commodity derivatives	$	96		$	(36	)	$	60		$	1,056		$	(22	)	$	1,034
Warrants	58,134			—			58,134			32,858			—			32,858
Total liabilities	$	58,230		$	(36	)	$	58,194		$	33,914		$	(22	)	$	33,892
Net assets (liabilities) at fair value	$	(58,194	)	$	—		$	(58,194	)	$	(33,892	)	$	—		$	(33,892	)

* Relates primarily to exchange traded futures. Gain and loss positions on multiple contracts are settled net on a daily basis with the exchange.

Schedule of Changes in Fair Value of Financial Assets (Liabilities) Classified as Level 3

The following table summarizes changes in the fair value of our net financial assets (liabilities) classified as Level 3 in the fair value hierarchy (in thousands):

	Year Ended December 31, 2013						Year Ended December 31, 2012						Year Ended December 31, 2011
	Warrants		Commodity Derivatives		Total		Warrants		Commodity Derivatives		Total		Warrants			Commodity Derivatives			Total
Net assets (liabilities)—beginning balance	$	—	$	—	$	—	$	—	$	—	$	—	$	(17,192	)	$	(547	)	$	(17,739	)
Transfers out of Level 3(*)	—		—		—		—		—		—		8,934			(419		)	8,515
Total realized and unrealized gain (loss) included in earnings(**)	—		—		—		—		—		—		8,258			2,783			11,041
Settlements	—		—		—		—		—		—		—			(1,817		)	(1,817		)
Net assets (liabilities)—ending balance	$	—	$	—	$	—	$	—	$	—	$	—	$	—		$	—		$	—
Amount of total gain or loss included in earnings for the period attributable to the change in unrealized gain or loss relating to assets and liabilities still held at the reporting date	$	—	$	—	$	—	$	—	$	—	$	—	$	—		$	—		$	—

(*) In these tables, transfers in and transfers out are recognized as of the beginning of the reporting period for commodity derivatives and as of the transfer date for warrants.

(**) Gains and losses related to commodity derivatives are reported in product revenue. Gains and losses related to warrants are recorded in other expense (income).

Schedule of Notional Quantities for Commodity Derivative Instruments

The following table sets forth the notional quantities for derivative instruments entered into (in thousands of barrels):

	Year Ended December 31, 2013	Year Ended December 31, 2012
Sales	2,595	1,743
Purchases	2,575	1,636

Schedule of Not Designated Commodity Derivative Instruments Fair Value on Condensed Consolidated Balance Sheets

We record the fair value of our commodity derivative instruments on our consolidated balance sheets in other current assets and other current liabilities in the following amounts (in thousands):

December 31, 2013				December 31, 2012
Other Current Assets		Other Current Liabilities		Other Current Assets		Other Current Liabilities
$	—	$	60	$	—	$	1,034

Schedule of Realized and Unrealized Gains (Losses) from Commodity Derivatives

Realized and unrealized gains (losses) from our commodity derivatives were recorded to product revenue in the following amounts (in thousands):

Year Ended December 31, 2013			Year Ended December 31, 2012		Year Ended December 31, 2011
$	(1,593	)	$	149	$	2,153

Schedule of Assets and Liabilities Excluding from Affiliate Balance Sheet

The following table summarizes the assets and liabilities (excluding affiliate balances) at December 31, 2013 of our subsidiaries outside the United States (in thousands):

	Canada		United Kingdom		Mexico		Total
Cash and cash equivalents	$	49,221	$	1,845	$	11,862	$	62,928
Other current assets	59,472		2,896		45,751		108,119
Noncurrent assets	212,567		164,094		46,541		423,202
Total assets	$	321,260	$	168,835	$	104,154	$	594,249
Current liabilities	$	51,124	$	1,788	$	27,450	$	80,362
Noncurrent liabilities	70,392		21,826		1,865		94,083
Total liabilities	121,516		23,614		29,315		174,445
Net assets	$	199,744	$	145,221	$	74,839	$	419,804