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Acquisitions and Dispositions - Summary of Pro Forma Financial Information (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
$ / shares
Business Combinations [Abstract]  
Revenues | $ $ 448,933
Net loss | $ $ (74,616)
Loss per share:  
Basic | $ / shares $ (0.31)
Diluted | $ / shares $ (0.31)