Debt Financing Contractual Maturities (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Debt Financing, Current Maturities	$ 55,041,122
Debt Financing, Maturities, Repayment of Principal in Year Two	26,063,319
Debt Financing, Maturities, Repayments of Principal in Year Three	111,864,849
Debt Financing, Maturities, Repayments of Principal in Year Four	43,905,807
Debt Financing, Maturities, Repayments of Principal in Year Five	210,731,396
Debt Financing, Maturities, Repayments of Principal after Year Five	0
Debt financing	$ 447,606,493	$ 345,359,000