Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)	Dec. 31, 2016	Sep. 16, 2016	Apr. 15, 2016	Dec. 31, 2015	Sep. 30, 2014	Mar. 08, 2013	Feb. 22, 2013
Debt Instrument [Line Items]
Credit Facility	$ 34,300,000			$ 38,300,000
4.50% Convertible Senior Notes due 2020, net of discount	70,880,581			69,759,722
Loan Costs, net of accumulated amortization	(1,235,380)			(1,662,869)
Total Long-Term Debt	166,245,201			166,796,853
UBS Mortgage Note Payable [Member]
Debt Instrument [Line Items]
Mortgage Notes Payable							$ 7,300,000
Mortgage Notes Payable [Member] | UBS Mortgage Note Payable [Member]
Debt Instrument [Line Items]
Mortgage Notes Payable	7,300,000			7,300,000
Mortgage Notes Payable [Member] | BOA Mortgage Note Payable [Member]
Debt Instrument [Line Items]
Mortgage Notes Payable		$ 23,100,000		23,100,000		$ 23,100,000
Mortgage Notes Payable [Member] | Wells Fargo Mortgage Note Payable
Debt Instrument [Line Items]
Mortgage Notes Payable	30,000,000			$ 30,000,000	$ 30,000,000
Mortgage Notes Payable [Member] | Wells Fargo Mortgage Note Payable Two
Debt Instrument [Line Items]
Mortgage Notes Payable	$ 25,000,000		$ 25,000,000