Derivative Instruments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Change in value of interst rate swaps	$ 1,908,300	$ 408,400
Reclassification from other comprehensive income	150,700	(1,300)
Reclassification from other comprehensive income - forecasted transaction not probable to occur	1,167,700	0
Included in interest expense	3,226,700	407,100
Unrealized gain/(loss) on derivative instruments	(575,000)	(543,500)
Reclassification from other comprehensive income	150,700	(1,300)
Reclassification from other comprehensive income - forecasted transaction not probable to occur	1,167,700	0
Change in value of hedged Swaps	$ 743,400	$ (544,800)