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Fair Value Measurement Schedule Of Fair Value Assets Measured At Unobservable Inputs Reconciliation (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance at January 1 $ 939,100 $ 935,700
Redemptions and sales 0 0
Realized gain - included in net realized gain on investments 0 0
Unrealized gain - included in other comprehensive income 2,100 3,400
Ending balance, net $ 941,200 $ 939,100