Variable Interest Entities Property Asset Carrying Value and Maximum Exposure (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 173,867,079	$ 122,948,770
Available-for-sale Securities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	137,921,000	103,483,793
Property Loan [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	16,476,073	$ 19,464,977
Investment in Unconsolidated Entities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 19,470,006