FAIR VALUE OF ASSETS AND LIABILITIES - Assets measured at fair value (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fair Value Measurements Using, Level 1
Assets at fair value on a recurring basis
U.S. Treasury notes
U.S. Government agency notes
Municipal bonds
Mortgage-backed securities:
U.S. Government agencies
Collateralized mortgage obligations:
U.S. Government agencies
Non-agency
SBA bonds
Corporate bonds
Preferred stocks	311	167
Securities available-for-sale	311
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans
Other real estate owned
Fair Value Measurements Using, Level 2
Assets at fair value on a recurring basis
U.S. Treasury notes	2,719	2,733
U.S. Government agency notes	7,697	7,726
Municipal bonds	45,856	47,365
Mortgage-backed securities:
U.S. Government agencies	43,958	48,729
Collateralized mortgage obligations:
U.S. Government agencies	4,752	5,197
Non-agency	10,690	11,507
SBA bonds	2,681	2,863
Corporate bonds
Preferred stocks		126,120
Securities available-for-sale	118,353
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans
Other real estate owned
Fair Value Measurements Using, Level 3
Assets at fair value on a recurring basis
U.S. Treasury notes
U.S. Government agency notes
Municipal bonds
Mortgage-backed securities:
U.S. Government agencies
Collateralized mortgage obligations:
U.S. Government agencies
Non-agency
SBA bonds
Corporate bonds
Preferred stocks
Securities available-for-sale
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans	7,947	8,434
Other real estate owned	712	244
Assets at fair value
Assets at fair value on a recurring basis
U.S. Treasury notes	2,719	2,733
U.S. Government agency notes	7,697	7,726
Municipal bonds	45,856	47,365
Mortgage-backed securities:
U.S. Government agencies	43,958	48,729
Collateralized mortgage obligations:
U.S. Government agencies	4,752	5,197
Non-agency	10,690	11,507
SBA bonds	2,681	2,863
Corporate bonds
Preferred stocks	311	126,287
Securities available-for-sale	188,664
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans	7,947	8,434
Other real estate owned	$ 712	$ 244