Derivatives and Hedging Activities - Income Statement Effect (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense	$ (328,196)	$ (671,294)	$ (731,060)	$ (1,278,980)
Foreign Currency Adjustment	(2,380)	4,216	(67,589)	107,259
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	(232,239)	1,831,921	543,598	1,053,778
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	230,698	236,103	486,064	417,324
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income as a result that a forecasted transaction is no longer probable of occurring	0	0	0	0
Foreign Currency Adjustment
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	(569,158)	2,428,813	297,788	1,145,146
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income as a result that a forecasted transaction is no longer probable of occurring	$ 0	$ 0	$ 0	$ 0