Deposits (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Summary of interest expense on deposits
Transaction deposit accounts	$ 9	$ 34	$ 20	$ 83
Money market deposit accounts	13	52	32	133
Savings deposit accounts	2	11	4	27
Time deposit accounts	1,315	2,427	2,676	4,957
Total interest expense on deposits	$ 1,339	$ 2,524	$ 2,732	$ 5,200