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Derivatives (Fair Value Hedges on Income Statement) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Derivative Instruments, Gain (Loss) [Line Items]    
Interest Income $ 92,210,146 $ 52,022,396
Interest Rate Swap [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income (1,174,000)  
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Income $ 1,174,000