Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Real Estate Owned [Abstract]
Property transferred to OREO	$ 360
Balance at beginning of year	1,682	2,387	5,479
Additions	2,180	1,989	1,479
Disposals	(2,388)	(2,506)	(2,965)
Write-downs	(161)	(188)	(1,606)
Balance at end of year	$ 1,313	$ 1,682	$ 2,387