XML 81 R65.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplementary Information - Results of Operations from Oil and Gas Producing Activities (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Revenue:    
Oil and gas sales $ 45,632 $ 91,045
Costs and Expenses:    
Lease operating expenses 35,206 43,972
Depreciation, depletion and accretion 28,531 22,906
Income tax (benefit) expense (6,156) 9,216
Total Costs and Expenses 57,581 76,094
Results of Operations From Producing Activities (excluding corporate overhead and interest costs) $ (11,949) $ 14,951