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Stock Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Nov. 30, 2011	Dec. 31, 2012	Dec. 31, 2011
Stock Repurchase Program (Textual) [Abstract]
Number of shares repurchased		375,000	0
Cost of shares repurchased		$ 0.8
Maximum number of shares authorized for repurchase	5,000,000
Period for share repurchase	2 years

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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