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Dividend Reinvestment Plan	12 Months Ended
Dividend Reinvestment Plan	Dec. 31, 2011
Dividend Reinvestment Plan [Abstract]
Dividend Reinvestment Plan	21. Dividend Reinvestment Plan The Company has a Dividend Reinvestment Plan which allows for participants' reinvestment of cash dividends and certain optional additional investments in the Company's common stock. Shares issued under the plan and the consideration received were 21,281 shares for $287,000 in 2011, 28,778 shares for $310,000 in 2010, and 87,241 shares for $1.2 million in 2009.