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Significant Accounting Policies - Narrative (Details)
$ in Thousands
1 Months Ended
Dec. 31, 2015
Jul. 31, 2016
USD ($)
Apr. 30, 2016
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Reverse share split ratio 0.0333    
Deferred financing costs reclassified   $ 5,324 $ 26,157