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Derivative Instruments (Notes)
 3 Months Ended
Mar. 31, 2016
Derivative Instruments [Abstract]  
Derivative Instruments
Derivative Instruments

From time to time, we enter into forward fuel contracts to limit the exposure to price fluctuations for physical purchases of finished products in the normal course of business. We use derivatives to reduce normal operating and market risks with a primary objective in derivative instrument use being the reduction of the impact of market price volatility on our results of operations.

Typically, we enter into forward fuel contracts with major financial institutions in which we fix the purchase price of finished grade fuel for a predetermined number of units with fulfillment terms of less than 90 days.

From time to time, we may also enter into interest rate hedging agreements to limit floating interest rate exposure under the Second Amended and Restated Credit Agreement. Our initial credit facility required us to maintain interest rate hedging arrangements on at least 50% of the amount funded on November 7, 2012 under the credit facility, which was required to be in place for at least a three-year period beginning no later than March 7, 2013. Accordingly, effective February 25, 2013, we entered into interest rate hedges in the form of a LIBOR interest rate cap for a term of three years for a total notional amount of $45.0 million, thereby meeting the requirements in effect at that time. These requirements were eliminated in connection with the Amended and Restated Credit Agreement in July 2013, but the interest rate hedge remained in place in accordance with its terms through its maturity date in February 2016.
The following table presents the fair value of our derivative instruments, as of March 31, 2016 and December 31, 2015. The fair value amounts below are presented on a gross basis and do not reflect the netting of asset and liability positions permitted under our master netting arrangements, including any cash collateral on deposit with our counterparties. We have elected to offset the recognized fair value amounts for multiple derivative instruments executed with the same counterparty in our financial statements. As a result, the asset and liability amounts below may differ from the amounts presented in our consolidated balance sheets. During the three months ended March 31, 2016 and March 31, 2015, we did not elect hedge accounting treatment for these derivative positions. As a result, all changes in fair value are marked to market in the accompanying condensed consolidated statements of income and comprehensive income.

(in thousands)
 
 
March 31, 2016
 
December 31, 2015
Derivative Type
Balance Sheet Location
 
Assets
 
Liabilities
 
Assets
 
Liabilities
Derivatives not designated as hedging instruments:
 
 
 
 
 
 
 
 
Interest rate derivatives
Other long term assets
 
$
—

 
$
—

 
$
—

 
$
—

OTC commodity swaps (1)
Other current assets
 
74

 
(13
)
 
171

 
(45
)
Total gross value of derivatives
 
74

 
(13
)
 
171

 
(45
)
Less: Counterparty netting and cash collateral (2)
 
74

 
155

 
(706
)
 
(45
)
Total net fair value of derivatives
 
$
—

 
$
(168
)
 
$
877

 
$
—

            

(1) As of March 31, 2016 and December 31, 2015, we had open derivative contracts representing 76,000 barrels and 171,000 barrels, respectively, of refined petroleum products.

(2) As of March 31, 2016, we had a negative cash balance of $0.2 million netted with the net derivative positions of one of our counterparties. As of December 31, 2015, $0.8 million of cash collateral was held by counterparty brokerage firms.

Recognized gains (losses) associated with derivatives not designated as hedging instruments for the three months ended March 31, 2016 and 2015 were as follows (in thousands):
 
 
 
 
Three Months Ended March 31,
Derivative Type
Income Statement Location
 
2016
 
2015
Interest rate derivatives
Interest expense
 
$
—

 
$
(19
)
Commodity derivatives
Cost of goods sold
 
(177
)
 
339

 
Total
 
$
(177
)
 
$
320