FAIR VALUE MEASUREMENTS - Assets measured at fair value (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair Value Measurements at Reporting Date 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	167	116
Securities available-for-sale	167	116
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans
Other real estate owned
Fair Value Measurements at Reporting Date Using, Level 2
Assets at fair value on a recurring basis
U.S. Treasury notes	2,733	5,528
U.S. Government agency notes	7,726	14,924
Municipal bonds	47,365	50,796
Mortgage-backed securities:
U.S. Government agencies	48,729	58,300
Collateralized mortgage obligations:
U.S. Government agencies	5,197	7,153
Non-agency	11,507	14,167
SBA bonds	2,863	3,706
Corporate bonds		1,104
Preferred stocks
Securities available-for-sale	126,120	155,678
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans
Other real estate owned
Fair Value Measurements at Reporting Date 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	8,434	5,443
Other real estate owned	244	2,744
Assets at fair value
Assets at fair value on a recurring basis
U.S. Treasury notes	2,733	5,528
U.S. Government agency notes	7,726	14,924
Municipal bonds	47,365	50,796
Mortgage-backed securities:
U.S. Government agencies	48,729	58,300
Collateralized mortgage obligations:
U.S. Government agencies	5,197	7,153
Non-agency	11,507	14,167
SBA bonds	2,863	3,706
Corporate bonds		1,104
Preferred stocks	167	116
Securities available-for-sale	126,287	155,794
Assets at fair value on a non-recurring basis
Collateral dependent impaired loans	8,434	5,443
Other real estate owned	$ 244	$ 2,744