Quarterly report pursuant to Section 13 or 15(d)

公允价值计量(详情)

v2.4.0.8
公允价值计量(详情)(美元)
除非另有说明,单位为千
6个月结束
小君. 30, 2013
小君. 30, 2012
12月. 31, 2012
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 $ 863   $ 664
资产退休义务资本化 1,194 1,176  
Level 1 [Member] | Diamondback Energy LLC [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 198,662    
Level 1 [Member] | Fixed Price Swaps [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 0    
负债 0    
Level 2 [Member] | Diamondback Energy LLC [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 0    
Level 2 [Member] | Fixed Price Swaps [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 863    
负债 1,839    
三级[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产退休义务资本化 1,200    
三级[会员] | Diamondback Energy LLC [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 0    
三级[会员] | Fixed Price Swaps [Member]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 0    
负债 $ 0