FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Commitments Without Recorded Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Undisbursed loans and lines of credit [Member]	Dec. 31, 2011 Undisbursed loans and lines of credit [Member]	Dec. 31, 2012 Standby letters of credit and financial guarantees [Member]	Dec. 31, 2011 Standby letters of credit and financial guarantees [Member]	Dec. 31, 2012 To originate loans [Member]	Dec. 31, 2011 To originate loans [Member]	Dec. 31, 2012 To originate loans held for sale [Member]	Dec. 31, 2011 To originate loans held for sale [Member]	Dec. 31, 2012 To sell loans secured by one- to four-family residential properties [Member]	Dec. 31, 2011 To sell loans secured by one- to four-family residential properties [Member]	Dec. 31, 2012 To sell mortgage backed securities [Member]	Dec. 31, 2011 To sell mortgage backed securities [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contract or Notional Amount				$ 907,892	$ 761,637	$ 6,660	$ 7,872	$ 10,733	$ 10,516	$ 89,049	$ 54,082	$ 70,263	$ 54,082	$ 41,500	$ 0
Mortgage loan applications, day Interest rate is locked	45 days	30 days	60 days