Commitments, Contingencies and Off-Balance Sheet Risk (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Commitment to extend credit:
Fixed Rate	$ 11,619	$ 8,433
Variable Rate	131,116	129,962
Lines of credit and construction loans [Member]
Commitment to extend credit:
Fixed Rate	10,110	6,913
Variable Rate	112,745	111,710
Overdraft protection [Member]
Commitment to extend credit:
Fixed Rate	1,309	1,320
Variable Rate	17,940	17,828
Letters of credit [Member]
Commitment to extend credit:
Fixed Rate	200	200
Variable Rate	$ 431	$ 424