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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measurements
The following tables set forth our recurring fair value measurements:
 
 
June 30, 2012
 
Level 2
 
Level 3
 
Total
 
(In thousands)
Financial assets (liabilities):
 
 
 
 
 
Commodity derivatives:
 
 
 
 
 
Assets
$
46,177

 
$
8,951

 
$
55,128

Liabilities
(2,589
)
 
(821
)
 
(3,410
)
 
$
43,588

 
$
8,130

 
$
51,718

 
 
December 31, 2011
 
Level 2
 
Level 3
 
Total
 
(In thousands)
Financial assets (liabilities):
 
 
 
 
 
Commodity derivatives:
 
 
 
 
 
Assets
$
9,698

 
$
34,321

 
$
44,019

Liabilities
(9,518
)
 
(706
)
 
(10,224
)
 
$
180

 
$
33,615

 
$
33,795

Reconciliations Of Level 3 Fair Value Measurements
The following tables are reconciliations of our level 3 fair value measurements:
 
 
Net Derivatives
 
For the three months ended
June 30, 2012
 
For the six months ended
June 30, 2012
 
Interest Rate
Swaps
 
Commodity
Swaps
 
Interest Rate
Swaps
 
Commodity
Swaps
 
(In thousands)
Beginning of period
$

 
$
13,912

 
$

 
$
33,615

Total gains or losses (realized and unrealized):
 
 
 
 
 
 
 
Included in earnings (1)

 
5,456

 

 
16,874

Included in other comprehensive income (loss)

 
(5,687
)
 

 
(3,576
)
Settlements

 
(5,551
)
 

 
(16,859
)
Transfers out of Level 3 into Level 2

 

 

 
(21,924
)
End of period
$

 
$
8,130

 
$

 
$
8,130

Total gains for the period included in earnings attributable to the change in unrealized gain relating to assets still held at end of period
$

 
$
(95
)
 
$

 
$
15

 
(1)
Commodity swaps and collars are reported in the unaudited condensed consolidated statements of operations in revenues.

 
Net Derivatives
 
For the three months ended
June 30, 2011
 
For the six months ended
June 30, 2011
 
Interest Rate
Swaps
 
Commodity
Swaps
 
Interest Rate
Swaps
 
Commodity
Swaps
 
(In thousands)
Beginning of period
$
(1,361
)
 
$
9,368

 
$
(1,614
)
 
$
10,868

Total gains or losses (realized and unrealized):
 
 
 
 
 
 
 
Included in earnings (1)
(1,431
)
 
3,572

 
(1,734
)
 
7,877

Included in other comprehensive income (loss)
1,361

 
1,847

 
1,614

 
82

Settlements
1,431

 
(3,038
)
 
1,734

 
(7,078
)
Transfers out of Level 3 into Level 2

 

 

 

End of period
$

 
$
11,749

 
$

 
$
11,749

Total gains for the period included in earnings attributable to the change in unrealized gain relating to assets still held at end of period
$

 
$
534

 
$

 
$
799

 
(1)
Interest rate swaps and commodity swaps are reported in the unaudited condensed consolidated statements of operations in interest, net and revenues, respectively.
Schedule Of Quantitative Information About Unobservable Inputs
The following table provides quantitative information about our Level 3 unobservable inputs at June 30, 2012:
 
 
Fair Value
Valuation Technique
Unobservable Input
Range
 
(In thousands)
 
 
 
Commodity contracts (1)
$
8,130

Discounted cash flow
Forward commodity price curve
$2.64-$3.22
 
(1)
The commodity contracts detailed in this category include non-exchange-traded natural gas swaps that are valued based on regional pricing other than NYMEX. The forward pricing range represents the low and high price expected to be received within the settlement period.