FAIR VALUE ACCOUNTING AND MEASUREMENT (Commitments) (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Securities Investment [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Purchase commitment	$ 800,000	$ 0
Commitments to sell loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	78,705,000	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	79,000,000	54,000,000
Off-balance-sheet financial instruments, carrying value	1,081,000	617,000
Commitments to originate loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	90,573,000	54,082,000
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	91,000,000	54,000,000
Off-balance-sheet financial instruments, carrying value	(1,255,000)	(617,000)
Commitment to fund loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance-sheet financial instruments, notional amount	893,000,000	780,000,000
Off-balance-sheet financial instruments, carrying value	$ 0	$ 0