XML 51 R36.htm IDEA: XBRL DOCUMENT v2.4.0.8
Property And Equipment (Schedule Of Property And Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Property, Plant and Equipment [Abstract]    
Oil and natural gas properties $ 3,586,016 $ 2,477,178
Office furniture and fixtures 9,741 6,093
Building 4,942 4,626
Land 2,197 412
Total property and equipment 3,602,896 2,488,309
Accumulated depletion, depreciation, amortization and impairment (969,962) (784,717)
Property and equipment, net $ 2,632,934 $ 1,703,592