根据第13和15(d)条提交的年度报告

公允价值计量(详情)

v2.4.0.6
公允价值计量(详情)(美元)
除非另有说明,单位为千
12个月结束
12月. 31, 2012
12月. 31, 2011
12月. 31, 2010
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 $ 664 $ 1,601  
资产退休义务 2,195 1,390 1,328
一级[会员]|固定价格掉期[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 0 0  
负债 0 0  
二级[会员]|固定价格掉期[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 664 1,601  
负债 10,442 0  
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 2,195    
三级[会员]|固定价格掉期[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
资产 0 0  
负债 0 0  
Diamondback Energy LLC[会员]| Level 1[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 151,317    
Diamondback Energy LLC[会员]| Level 2[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 0    
Diamondback Energy LLC[会员]| Level 3[会员]
     
Fair Value, 资产 and 负债 Measured on Recurring and Nonrecurring Basis [Line Items]      
Diamondback的股权投资 $ 0