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Concentration Risk Schedule of Revenue Concentration (Details) - Product Concentration Risk [Member]
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Money Market Funds [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 46.00% 32.00%
Equity Funds [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 38.00% 47.00%
Fixed Income Funds [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Percentage 16.00% 21.00%