XML 12 R39.htm IDEA: XBRL DOCUMENT v3.2.0.727
Oil and Gas Properties Additional Details (Details) - Jun. 30, 2015 - USD ($)
$ in Thousands
Total
Total
Impairment of Oil and Gas Properties $ 20,903  
Impairment of Proved Oil and Gas Properties   $ 25,035
Results of Operations, Dry Hole Costs   9,752
Gain (Loss) on Disposition of Proved Property   $ 854
Net Mineral Acres Leased From Others   17168
Gross Producing Oil and Gas Wells Sold   2
Net Producing Oil and Gas Wells Sold   1
Proceeds from Sale of Oil and Gas Property and Equipment   $ 2,524
OKLAHOMA    
Results of Operations, Dry Hole Costs   9,674
Capitalized Exploratory Well Cost, Charged to Expense   $ 917