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Share Repurchase Program (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Jan. 31, 2012
Share Repurchase Program (Textual) [Abstract]
Common stock shares, authorized				1,966,700
Common stock shares, repurchased	172,480	1,239,222	0
Common stock shares, remaining authorized	727,478	727,478
Average Purchase Price of Common stock	$ 16.58	$ 19.09
Aggregate purchase price	$ 2,859	$ 23,652

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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