Loans (Details 6) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012 N	Sep. 30, 2012 N
Number of Contracts	6	6
Pre-Modification Outstanding Recorded Investment	$ 9,690,000	$ 9,690,000
Post-Modification Outstanding Recorded Investment	9,690,000	9,690,000
Number of contracts subsequently defaulted	1	1
Recorded investment, subsequently defaulted	2,806,000	2,806,000
Residential real estate
Number of Contracts	1	1
Pre-Modification Outstanding Recorded Investment	1,289,000	1,289,000
Post-Modification Outstanding Recorded Investment	1,289,000	1,289,000
Commercial real estate
Number of Contracts	4	4
Pre-Modification Outstanding Recorded Investment	6,321,000	6,321,000
Post-Modification Outstanding Recorded Investment	6,321,000	6,321,000
Land and construction
Number of Contracts	1	1
Pre-Modification Outstanding Recorded Investment	2,080,000	2,080,000
Post-Modification Outstanding Recorded Investment	$ 2,080,000	$ 2,080,000