FAIR VALUE OF FINANCIAL INSTRUMENTS (Commitments) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Commitments to sell loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	$ 70,263,000	$ 54,082,000
Commitments to sell loans [Member] | Level 2 [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	85,000,000	54,000,000
Off-balance-sheet financial instruments	510,000	617,000
Commitments to originate loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	10,733,000	10,516,000
Commitments to originate loans [Member] | Level 2 [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	89,000,000	54,000,000
Off-balance-sheet financial instruments	195,000	617,000
Commitment to fund loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	925,000,000	780,000,000
Off-balance-sheet financial instruments	0	0
Commitment to purchase securities [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	$ 11,500,000
Number of commitments to purchase or sell securities	1	0
Commitment to sell securities [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of commitments to sell securities		0