LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring Which Incurred Payment Default) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDRs Which Incurred a Payment Default	$ 0	$ 2,227	$ 1,917	$ 3,100
Commerical real estate - owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDRs Which Incurred a Payment Default	0	0	1,358	0
Land and land development - residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDRs Which Incurred a Payment Default	0	2,227	0	2,227
One- to four-family residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDRs Which Incurred a Payment Default	$ 0	$ 0	$ 559	$ 873