Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

			Fair value measurements at reporting date using
Description	As of June 30, 2014		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(Thousands)
Assets
Derivative instruments, at fair value	$	66,408	$	123	$	66,285	$	–

Liabilities
Derivative instruments, at fair value	$	58,116	$	–	$	58,116	$	–

			Fair value measurements at reporting date using
Description	As of December 31, 2013		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(Thousands)
Assets
Derivative instruments, at fair value	$	107,647	$	240	$	107,407	$	–

Liabilities
Derivative instruments, at fair value	$	29,651	$	315	$	29,336	$	–

Fair value measurements using significant
unobservable inputs (Level 3)
Derivative instruments, at fair value, net

Three Months Ended
June 30,

Six Months Ended
June 30,

2014

2013

2014

2013

(Thousands)

Beginning of period

–

69,865

–

90,714

Total gains or losses:

Included in earnings

–

(1,178)

–

(755)

Included in OCI

–

13,125

–

1,392

Purchases

–

Settlements

–

(7,124)

–

(16,735)

Transfers in and/or out of Level 3

–

End of period

–

74,688

–

74,688