INVESTMENT SECURITIES - Amortized cost and approximate fair values of securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 137,172	$ 122,730
Gross Unrealized Gains	1,909	1,148
Gross Unrealized Losses	(1,726)	(3,991)
Fair Value	137,355	119,887
Federal agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	34,874	38,075
Gross Unrealized Gains	156	224
Gross Unrealized Losses	(531)	(1,086)
Fair Value	34,499	37,213
State and municipal
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	39,812	37,709
Gross Unrealized Gains	1,421	748
Gross Unrealized Losses	(140)	(1,335)
Fair Value	41,093	37,122
Government-sponsored enterprise (GSE) residential mortgage-backed and other asset-backed agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	58,842	42,782
Gross Unrealized Gains	323	176
Gross Unrealized Losses	(683)	(1,157)
Fair Value	58,482	41,801
Corporate
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,644	4,164
Gross Unrealized Gains	9
Gross Unrealized Losses	(372)	(413)
Fair Value	$ 3,281	$ 3,751