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EMPLOYEE STOCK PURCHASE PLAN (Details) (USD $)	12 Months Ended
EMPLOYEE STOCK PURCHASE PLAN (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Stock Purchase Plan Details
1997 ESPP authorized shares	325,000
1997 ESPP issued shares	315,329
Weighted-average fair value of purchse rights granted	$ 1.45	$ 1.09	$ 0.95

The shares that, although not legally released, will be released by a future scheduled and committed debt service payment and will be allocated to employees for service rendered in the current accounting period. The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.

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