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Commitment and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
Dec. 30, 2014
Dec. 31, 2015
Jun. 30, 2015
Litigation Settlement [Abstract]      
Victim of criminal fraud transfer $ 30.8    
Merger Agreement [Abstract]      
Merger related expenses     $ 1.3
Scenario, Forecast [Member]      
Merger Agreement [Abstract]      
Merger related expenses   $ 24.7  
Merger related expenses not contingent upon closing of merger   6.8  
Merger related expenses contingent upon closing of merger   $ 16.6