Annual report pursuant to Section 13 and 15(d)

Acquisitions (Tables)

v2.4.0.6
Acquisitions (Tables)
 12 Months Ended
Dec. 31, 2011
Business Acquisition [Line Items]  
Condensed Combined Statements Of Income Pro Forma Information
     (unaudited)
Year Ended December 31, 		 
     2011      2010  

Revenue

    $ 1,023,430       $ 784,964   

Net income (loss)

      180,779         113,783   

Basic and diluted earnings (loss) per common share

      2.39         1.52   
Yellow Rose Properties [Member]
  
Business Acquisition [Line Items]  
Purchase Price Allocation For Acquisition Of Properties

Oil and natural gas properties and equipment (1)

    $ 396,902   

Asset retirement obligations – non-current

      (382 ) 

Long-term liability

      (2,143 ) 
  

 

 

  

Total cash paid

    $ 394,377   
  

 

 

  

(1) At the acquisition date, $84.7 million was recorded as unproved properties. During 2011, this amount was increased by $4.5 million due to capitalized interest and decreased by $3.5 million due to reclassifications to proved properties resulting in $85.7 million in unproved properties as of December 31, 2011 for the Yellow Rose Properties. Amounts recorded as unproved properties are excluded from the full cost pool and amortization base.
Fairway Properties [Member]
  
Business Acquisition [Line Items]  
Purchase Price Allocation For Acquisition Of Properties

Oil and natural gas properties and equipment

    $ 50,682   

Asset retirement obligations – non-current

      (7,812 ) 
  

 

 

  

Total cash paid

    $ 42,870   
  

 

 

  
Matterhorn/Virgo Properties [Member]
  
Business Acquisition [Line Items]  
Purchase Price Allocation For Acquisition Of Properties

Oil and natural gas properties and equipment

    $ 121,301   

Asset retirement obligations – non-current

      (6,289 ) 
  

 

 

  

Total cash paid

    $ 115,012   
  

 

 

  
Tahoe/Droshky Properties [Member]
  
Business Acquisition [Line Items]  
Purchase Price Allocation For Acquisition Of Properties

Oil and natural gas properties and equipment

    $ 134,189   

Asset retirement obligations – non-current

      (17,956 ) 
  

 

 

  

Total cash paid

    $ 116,233