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Financial Instruments and Concentrations of Risk (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value of Financial Assets and Liabilities

The table below summarizes the balances of commodity derivative assets and liabilities at December 31, 2015 and 2014 (in thousands):



	December 31, 2015							December 31, 2014
Derivatives subject to netting arrangements:	Level 1		Netting⁽¹⁾			Total		Level 1		Netting⁽¹⁾			Total
Commodity derivatives:
Assets	$	131	$	(131	)	$	—	$	3,311	$	(1,637	)	$	1,674
Liabilities	$	470	$	(131	)	$	339	$	1,637	$	(1,637	)	$	—



(1)	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 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,
	2015	2014	2013
Sales	23,228	6,773	2,595
Purchases	22,946	6,477	2,575

Schedule of Derivatives Not Designated as Hedging Instruments Fair Value on Condensed Consolidated Balance Sheets

We have recorded 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, 2015				December 31, 2014
Other Current Assets		Other Current Liabilities		Other Current Assets		Other Current Liabilities
$	—	$	339	$	1,674	$	—

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,
	2015		2014		2013
Realized and unrealized gain (loss)	$	8,146	$	19,305	$	(1,593	)

Schedule of Foreign Assets and Liabilities

The following table summarizes the assets and liabilities (excluding affiliate balances) at December 31, 2015 of our subsidiaries outside the United States (in thousands):



	Canada		United Kingdom		Mexico		Total
Cash and cash equivalents	$	20,729	$	8,014	$	17,338	$	46,081
Other current assets	47,267		3,413		31,616		82,296
Noncurrent assets	273,967		144,367		40,654		458,988
Total assets	$	341,963	$	155,794	$	89,608	$	587,365

Current liabilities	$	40,541	$	5,660	$	15,868	$	62,069
Noncurrent liabilities	47,971		15,633		1,167		64,771
Total liabilities	88,512		21,293		17,035		126,840
Net assets	$	253,451	$	134,501	$	72,573	$	460,525