Annual report pursuant to Section 13 and 15(d)

Accounts Receivable-Related Parties (Reimbursement By Entity In Consideration Of Administrative Service Agreement) (Details)

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Accounts Receivable-Related Parties (Reimbursement By Entity In Consideration Of Administrative Service Agreement) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Reimbursement for general and administrative expenses performed for related party     $ 593,000
Oilfield Management Services, LLC [Member]
      
Reimbursement for general and administrative expenses performed for related party       61,000
Effective agreement date for administrative service agreements Jul. 22, 2006    
Stampede Farms LLC [Member]
      
Reimbursement for general and administrative expenses performed for related party        
Effective agreement date for administrative service agreements Mar. 01, 2008    
Grizzly Oil Sands ULC [Member]
      
Reimbursement for general and administrative expenses performed for related party    [1]    [1] 20,000 [1]
Effective agreement date for administrative service agreements Mar. 01, 2008 [1]    
Everest Operations Management LLC [Member]
      
Reimbursement for general and administrative expenses performed for related party       508,000
Effective agreement date for administrative service agreements Mar. 01, 2008    
Tatex Thailand III, LLC [Member]
      
Reimbursement for general and administrative expenses performed for related party        
Effective agreement date for administrative service agreements Mar. 01, 2008    
[1] Agreement was terminated effective December 31, 2010.