Fair Value Measurements - Impaired Loans Real Estate Held For Sale (Details)	6 Months Ended
	Jun. 30, 2018 USD ($)
Impaired Loans
Balance at December 31, 2017	$ 1,321,500
Dispositions/Proceeds	(438)
Impairment	(116,830)
Balance at June 30, 2018	1,204,232
Real Estate Held For Sale
Balance at December 31, 2017	225,872
Dispositions/Proceeds
Impairment
Balance at June 30, 2018	$ 225,872