Variable Interest Entities Property Asset Carrying Value and Maximum Exposure (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Available-for-sale Securities [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 104,532,460	$ 103,483,793
Property Loan [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	15,820,259	$ 19,464,977
Investment in an Unconsolidated Entity [Member]
Available for Sale Security and Property Loan Receivable, Maximum Exposure	$ 3,463,215