LOAN PORTFOLIO COMPOSITION - Recorded Balance at Original Cost of Troubled Debt Restructurings which were Performing According to Terms of Restructuring (Details 6) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	$ 2,505,888	$ 1,622,112
Real estate loans | One-to-four family residential
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	569,470	526,004
Real estate loans | Commercial real estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	1,618,040	941,173
Real estate loans | Agricultural real estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing
Real estate loans | Home equity
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	7,174	10,897
Commercial loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	252,228	57,783
Agricultural loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing
Consumer loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost, performing	$ 58,976	$ 86,255