Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Other Real Estate Owned [Abstract]
Aggregate carrying amount of Other Real Estate Owned	$ 17,091	$ 20,445
Other Real Estate [Roll Forward]
Balance, Beginning	20,445	20,208
Additions	5,756	12,556
Sales of OREO	(6,557)	(9,805)
Loss on Sale	(1,294)	(1,103)
Provision for Losses	(1,259)	(1,411)
Balance, Ending	$ 17,091	$ 20,445