Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable-Related Parties (Narrative) (Details)

v2.4.0.6
Accounts Receivable-Related Parties (Narrative) (Details) (USD $)
0月结束 3个月结束
3月. 31, 2013
12月. 31, 2012
7月. 02, 2008
Everest Operations Management LLC [Member]
3月. 31, 2012
Everest Operations Management LLC [Member]
7月. 01, 2008
Everest Operations Management LLC [Member]
Related Party Transaction [Line Items]          
Accounts receivable-related parties $ 37,062,000 $ 34,848,000      
Required notice period, counterparty     30天    
Percentage of proportionate share of acquisition or divestiture consideration payable to affiliates         1.00%
Reimbursement for general and administrative expenses performed for related party under acquisition team agreement       $ 300,000