Variable Interest Entities Property Asset Carrying Value and Maximum Exposure (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 184,312,622	$ 173,867,079
Available-for-sale Securities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	137,871,000	137,921,000
Property Loan [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	16,857,297	16,476,073
Investment in Unconsolidated Entities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 29,584,325	$ 19,470,006