Dividend Reinvestment and Stock Purchase Plan (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Dividend Reinvestment and Stock Purchase Plan [Abstract]
Dividend Reinvestment and Stock Purchase Plan, authorized amount to issue (in shares)	6,000,000
Dividend Reinvestment and Stock Purchase Plan, number of common shares issued (in shares)	21,562
Net proceeds received from shares issued from Dividend Reinvestment and Stock Plan	$ 716,000