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INVESTMENT SECURITIES (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Investment [Line Items] |  |  |
Book value of securities, pledged to secure public and trust deposits, and certain Federal Home Loan Bank borrowings | $ 94,206 | $ 83,235 |
Investment security gains | 12 | 0 | 157
Investment security losses | 0 | 358 | 0
Realized gain (loss), net of tax | 8 | 236 | 104
Tax effect of realized gain (loss) | (4) | 122 | (53)
Proceeds from sales of investment securities - available for sale | $ 4,221 | $ 16,518 | $ 2,742
Weighted average expected maturity for investment securities | 1 year 8 months 23 days |  |
Positions considered temporarily impaired | 13 |  |
Standard & Poor's, AAA Rating [Member] |  |  |
Investment [Line Items] |  |  |
Portfolio rated | 92.20% | 98.40% |
U.S. Agency [Member] |  |  |
Investment [Line Items] |  |  |
Weighted average expected maturity for available for sale securities | 4 years 3 months 15 days |  |
U.S. Agency Mortgage-Backed Securities [Member] |  |  |
Investment [Line Items] |  |  |
Weighted average expected maturity for available for sale securities | 2 years 9 months 22 days |  |
Weighted average expected maturity for held to maturity securities | 3 years 1 month 6 days |  |
Other Securities [Member] |  |  |
Investment [Line Items] |  |  |
Weighted average expected maturity for held to maturity securities | 4 years 10 months 17 days |  |
Corporate Bonds And Other Securities [Member] |  |  |
Investment [Line Items] |  |  |
Weighted average expected maturity for available for sale securities | 3 years 11 months 1 day |  |

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