Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements

Schedule of fair value level of assets and liabilities that are measured on a recurring basis

The following summarizes the fair value level of assets and liabilities that are measured on a recurring basis at March 31, 2013 and December 31, 2012 (amounts in thousands):

	Level 1		Level 2		Level 3	Total
March 31, 2013
Derivative financial instruments - assets	—		117		—	117
Derivative financial instruments - liabilities	—		(12,039	)	—	(12,039	)
Total	$	—	(11,922	)	—	(11,922	)
December 31, 2012
Derivative financial instruments - assets	—		116		—	116
Derivative financial instruments - liabilities	—		(12,359	)	—	(12,359	)
Total	$	—	(12,243	)	—	(12,243	)

Schedule of activity in the Level 3 balances

The following table presents the activity in the Level 3 balances (amounts in thousands):

	Three months ended March 31,
	2013		2012
Beginning balance	$	—	(16,959	)
Unrealized gain recognized	—		16,959
Ending balance	$	—	—

Schedule of Carrying values and fair values of financial instruments that are not carried at fair value

Carrying values and fair values of financial instruments that are not carried at fair value are as follows (amounts in thousands):

	March 31, 2013		December 31, 2012
Long term debt, including current portion:
Carrying value	$	1,115,537	$	1,108,383
Fair value (a)	1,152,296		1,130,978

(a) The fair value is based on valuations from third party financial institutions and is classified as Level 2 in the hierarchy.