LOAN PORTFOLIO COMPOSITION - Recorded Balance at Original Cost of Troubled Debt Restructurings (Details 5) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	$ 2,666,394	$ 2,532,554
Real estate loans | One-to-four family residential
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	727,170	836,867
Real estate loans | Commercial real estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	1,347,115	1,362,088
Real estate loans | Agricultural real estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	236,500
Real estate loans | Home equity
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	5,526	6,009
Commercial loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	271,593	245,710
Agricultural loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost
Consumer loans
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, original cost	$ 78,490	$ 81,880