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 Expense [Line Items]
Total	$ 1,089	$ (710)	$ (1,145)
$ Change, Total	1,799	435
% Change, Total	(253.00%)	(38.00%)
OREO		5,183
OREO Operating Expense [Member]
Other Real Estate Owned Expense [Line Items]
Total	701	335	882
$ Change, Total	366	(547)
% Change, Total	109.00%	(62.00%)
Impairment On OREO [Member]
Other Real Estate Owned Expense [Line Items]
Total	469	92	246
$ Change, Total	377	(154)
% Change, Total	410.00%	(63.00%)
Rental Income On OREO [Member]
Other Real Estate Owned Expense [Line Items]
Total	(35)	(248)	(610)
$ Change, Total	213	362
% Change, Total	(86.00%)	(59.00%)
Gains On Sale OREO [Member]
Other Real Estate Owned Expense [Line Items]
Total	(46)	(889)	(1,663)
$ Change, Total	$ 843	$ 774
% Change, Total	(95.00%)	(47.00%)