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Bank Debt (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Bank Debt [Abstract]        
Payments required by interest rate swaps $ 1,391 $ 8,115 $ 9,499 $ 29,834
Other comprehensive income, net of taxes $ 14,330 $ 1,824 $ 74,430 $ 3,419