Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

v3.5.0.2
Acquisitions (Details)
$ in Thousands
 1 Months Ended
Aug. 31, 2015
USD ($)
Jun. 29, 2015
USD ($)
a
Jun. 12, 2015
USD ($)
a
well
mi
MMcf
Jun. 09, 2015
USD ($)
a
Dec. 31, 2015
USD ($)
Jun. 29, 2015
USD ($)
a
Apr. 30, 2015
USD ($)
a
Paloma Partners III, LLC              
Business Acquisition [Line Items]              
Purchase price $ 302,300           $ 301,900
Gas and oil acreage, net | a             24,000
Amount put in escrow $ 30,100           $ 75,000
American Energy - Utica, LLC              
Business Acquisition [Line Items]              
Purchase price           $ 405,400  
Amount put in escrow       $ 67,100      
Cash, net of purchase price adjustments   $ 405,000 $ 405,029        
Increase (decrease) in restricted cash         $ 2,400    
Fair value of identifiable assets acquired     405,029        
American Energy - Utica, LLC | Proved              
Business Acquisition [Line Items]              
Fair value of identifiable assets acquired     70,804        
American Energy - Utica, LLC | Unevaluated              
Business Acquisition [Line Items]              
Fair value of identifiable assets acquired     334,225        
Belmont and Jefferson Counties, Ohio | American Energy - Utica, LLC              
Business Acquisition [Line Items]              
Purchase price       $ 68,200      
Gross and net acres acquired | a       6,198      
Monroe County, Ohio | American Energy - Utica, LLC              
Business Acquisition [Line Items]              
Purchase price   $ 18,200 $ 319,000        
Gas and oil acreage, net | a   1,900 27,228     1,900  
Gas and oil acreage, gross | a   4,950 38,965     4,950  
Daily production of well acquired | MMcf     14.6        
Gross wells acquired | well     18        
Net wells acquired | well     11.3        
Gas gathering system (in miles) | mi     11        
Number of well pad locations acquired | well     4