Quarterly report pursuant to sections 13 or 15(d)

Acquisitions - Summary of Purchase Consideration (Detail)

v2.4.0.8
Acquisitions - Summary of Purchase Consideration (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
MW Commodity Advisors, LLC [Member]
 
Business Acquisition [Line Items]  
Units issued $ 132
Call rights option issued 15
Total purchase consideration 147
Ten-Sixty [Member]
 
Business Acquisition [Line Items]  
Cash paid on date of acquisition 2,500
Note payable due to Ten-Sixty 1,592
Total purchase consideration $ 4,092