Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following tables present the Company’s assets and liabilities measured at fair value on a recurring basis as of June 30, 2012 and December 31, 2011, and indicate the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value:

	June 30, 2012										December 31, 2011
	Level 1		Level 2			Level 3		Total			Level 1		Level 2			Level 3		Total
	(In thousands)
Assets:
Derivative instruments	$	—	$	72,683		$	—	$	72,683		$	—	$	61,073		$	—	$	61,073
Liabilities:
Derivative instruments	—		(14,088		)	—		(14,088		)	—		(23,792		)	—		(23,792		)
Total	$	—	$	58,595		$	—	$	58,595		$	—	$	37,281		$	—	$	37,281