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Share Repurchase Program (Details) (USD $)	0 Months Ended	6 Months Ended
Share Repurchase Program (Details) (USD $)	Jul. 26, 2012	Jun. 30, 2013
Share Repurchase Program (Textual) [Abstract]
Stock Repurchase Program, Additional Authorized Amount	$ 30,000,000
Total repurchase shares		468,611
Common stock for an aggregate price		4,700,000
Maximum [Member]
Share Repurchase Program (Textual) [Abstract]
Share repurchase program		$ 14,500,000

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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