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Derivative Instruments and Hedging Activities - Effect on Accumulated Other Comprehensive Income (Details) - Derivatives in cash flow hedging relationships - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain or (Loss) Recognized in OCI on Derivative $ 3,469,643  
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income 932,807  
Interest expense    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain or (Loss) Recognized in OCI on Derivative 3,469,643  
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income $ 932,807  
Interest rate swap agreements | Interest expense    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income   $ 0