DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Estimated fair values of Corporation's financial instruments and level within fair value hierarchy (Unaudited) (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Carrying Amount
Assets
Cash and cash equivalents	$ 10,404	$ 13,264
Interest-bearing deposits	2,964	1,984
Loans, held for sale	430	423
Loans, net of allowance for losses	327,911	331,995
Stock in Federal Home Loan Bank	3,796	3,796
Interest receivable	2,221	2,391
Liabilities
Deposits	391,302	397,083
Borrowings	58,911	54,872
Interest payable	212	209
Fair Value Measurements Using Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Cash and cash equivalents	10,404	13,264
Interest-bearing deposits	2,964	1,984
Loans, held for sale
Loans, net of allowance for losses
Stock in Federal Home Loan Bank
Interest receivable
Liabilities
Deposits
Borrowings	194	4,155
Interest payable
Fair Value Measurements Using Significant Other Observable Inputs (Level 2)
Assets
Cash and cash equivalents
Interest-bearing deposits
Loans, held for sale	430	423
Loans, net of allowance for losses	335,815	340,790
Stock in Federal Home Loan Bank	3,796	3,796
Interest receivable	2,221	2,391
Liabilities
Deposits	391,657	397,388
Borrowings	53,070	44,920
Interest payable	212	209
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
Assets
Cash and cash equivalents
Interest-bearing deposits
Loans, held for sale
Loans, net of allowance for losses
Stock in Federal Home Loan Bank
Interest receivable
Liabilities
Deposits
Borrowings	7,236	7,218
Interest payable