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Share Buyback Program (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Program	Dec. 31, 2012	Dec. 31, 2011	Nov. 26, 2008
Share Buyback Program (Textual) [Abstract]
Common stock available for repurchase (in shares)	341,009			1,000,000
Number of other repurchase programs outstanding	0
Number of stock repurchase programs other expired	0
Stock repurchased during period, shares	0	0	457,667
Stock repurchased during period, value	$ 0	$ 0	$ 3,679

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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