XML 30 R35.htm IDEA: XBRL DOCUMENT v3.19.3
Derivative Instruments (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Change in value of Swaps $ 3,700 $ 0 $ 455,100 $ 0
Other items 28,000 0 7,100 0
Included in interest expense 31,700 0 462,200 0
Change in value of hedged Swaps $ (146,500) $ 0 $ (1,979,200) $ 0