Annual report pursuant to Section 13 and 15(d)

Acquisitions and Dispositions (Unaudited Pro Forma Financial Information) (Details)

v3.6.0.2
Acquisitions and Dispositions (Unaudited Pro Forma Financial Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
 [1]
Dec. 31, 2015
 [1]
Dec. 31, 2014
 [2]
Acquisitions and Dispositions [Abstract]      
Revenues $ 225,326 $ 168,506 $ 180,458
Income (loss) from operations (41,094) (131,435) 53,526
Income (loss) available to common stockholders $ (85,240) $ (153,735) $ 33,674
Net income (loss) per common share Basic $ (0.68) $ (1.18) $ 0.57
Net income (loss) per common share Diluted $ (0.68) $ (1.18) $ 0.56
[1] The pro forma financial information was prepared assuming the Big Star Transaction and Plymouth Transaction occurred as of January 1, 2015.
[2] The pro forma financial information was prepared assuming the Central Midland Basin Transaction occurred as of January 1, 2013.