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Securities - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]      
Available-for-sale securities pledged as collateral $ 92,182,000 $ 92,182,000  
Proceeds from sale of available-for-sale securities 5,578,023 13,748,623 $ 10,968,362
Gains from sale of securities $ 18,224 $ 199,587 $ 52,255