LOANS AND ALLOWANCE - Corporation's nonaccrual loans (Details 5) (Loans Receivable, USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 8,732	$ 10,745
Construction/Land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	2,033	2,148
One-to-four family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	3,406	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	3,059	3,132
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	227	230
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 7	$ 8