Annual report pursuant to Section 13 and 15(d)

Property And Equipment (Narrative) (Details)

v2.4.0.8
Property And Equipment (Narrative) (Details) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Diamondback [Member]
member_of_board_of_directors
advisor
Oct. 31, 2012
Diamondback [Member]
Oct. 11, 2012
Diamondback [Member]
May 07, 2012
Diamondback [Member]
Jan. 31, 2013
Diamondback [Member]
Accounts Receivable - Related Party [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2013
Maximum [Member]
Property, Plant and Equipment [Line Items]                    
发生的一般费用和行政费用的累计资本化，并资本化到全部成本池 $ 47,500,000 $ 32,600,000                
Capitalized general and administrative costs 14,900,000 9,100,000 5,400,000              
不包括摊销的石油和天然气资产的资本化成本 950,590,000 626,295,000                
Loss on disposal of Belize properties, net of tax 0 (3,465,000) 0              
Expected number of years amortization will commence                 3 years 5 years
Investment (shares)           7,914,036        
Promissory note receivable           63,600,000        
Payment received from Diamondback 33,209,000 (2,404,000) 13,067,000         18,600,000    
Gain on sale of oil and gas property (508,000) 7,300,000 0              
Oil and gas property, decrease related to contribution   $ 213,000,000                
Ownership requirement to meet agreement       10.00%            
Number of directors allowed to serve on Board       1            
Number of advisors allowed to serve on Board       1            
Ownership interest       7.20% 21.40%   35.00%