LOANS AND ALLOWANCE - Corporation's nonaccrual loans (Details 5) - Loans Receivable - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 8,067	$ 10,745
Construction/Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	1,819	2,148
One-to-four family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 2,926	4,214
Multi-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans		1,013
Nonresidential and agricultural land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 3,187	3,132
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	121	230
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 14	$ 8