Disclosure of Changes in Number of Shares	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2009
Treasury stock - at cost, shares	(15,162)	(39,486)	(44,183)
Common Stock - Outstanding	103,097,143	102,447,540	102,590,457
Common Stock Member
Beginning balance	102,634,640	102,292,916	102,292,916	102,292,916
Issuance of stock	477,665	194,110	341,724
Ending balance	103,112,305	102,487,026	102,634,640	102,292,916
Preferred Stock Member
Ending balance	2,006,391	2,006,391	2,006,391