Dividend Reinvestment and Stock Purchase Plan (Details) (USD $)	3 Months Ended	13 Months Ended
	Mar. 31, 2012	Mar. 31, 2012
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)	21,012	80,617
Net proceeds received from shares issued from Dividend Reinvestment and Stock Plan	$ 736,000	$ 2,700,000