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Acquisitions and Dispositions (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Supplemental consolidated pro forma total revenues and net income    
Pro forma total revenues $ 421,033us-gaap_BusinessAcquisitionsProFormaRevenue $ 176,340us-gaap_BusinessAcquisitionsProFormaRevenue
Pro forma net loss $ (32,858)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss $ (32,161)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss