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Available for Sale Securities - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Schedule Of Available For Sale Securities [Line Items]    
Net unrealized holding gains (losses) $ 4,754 $ 0
Corporate Debt Securities    
Schedule Of Available For Sale Securities [Line Items]    
Other-than-temporary impairment $ 0