Debt (Tables)

3 Months Ended

Mar. 31, 2014

Long-term Debt, Unclassified [Abstract]

Schedule of Debt

Our total debt at March 31, 2014 and December 31, 2013 was comprised of the following (in thousands):

Debt, including current maturities:	March 31, 2014			December 31, 2013
Revolving Credit Facility	$	—		$	—
5.875% TLLP Senior Notes due 2020 (a)	605,426			605,598
6.125% TLLP Senior Notes due 2021	550,000			550,000
Capital lease obligations	8,680			8,745
Total Debt	1,164,106			1,164,343
Current maturities	(328		)	(323		)
Debt, less current maturities	$	1,163,778		$	1,164,020

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(a) Includes an unamortized premium of $5.4 million and $5.6 million as of March 31, 2014 and December 31, 2013, respectively.

Schedule of Line of Credit Facilities

As of March 31, 2014, our Revolving Credit Facility was subject to the following expenses and fees:

Credit Facility	30 day Eurodollar (LIBOR) Rate	Eurodollar Margin	Base Rate	Base Rate Margin	Commitment Fee (unused portion)
Revolving Credit Facility (b)	0.15%	2.50%	3.25%	1.50%	0.50%

____________

(b) We have the option to elect if the borrowings will bear interest at either a base rate plus the base rate margin, or a Eurodollar rate, for the applicable period, plus the Eurodollar margin at the time of the borrowing. The applicable margin varies based upon a certain leverage ratio, as defined by the Revolving Credit Facility. We also incur commitment fees for the unused portion of the Revolving Credit Facility at an annual rate. Letters of credit outstanding under the Revolving Credit Facility incur fees at the Eurodollar margin rate.