Variable Interest Entities Property Asset Carrying Value and Maximum Exposure (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 187,154,858	$ 173,867,079
Available-for-sale Securities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	137,835,000	137,921,000
Property Loan [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	17,369,365	16,476,073
Investment in Unconsolidated Entities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 31,950,493	$ 19,470,006