Loans and Allowance for Loan Losses (Details 11) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Recorded investment in residential and consumer loans based on payment activity
Total	$ 52,225	$ 53,010
Home Equity [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	18,227	19,656
Installment Loans [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	5,165	6,450
Residential Real Estate [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	28,833	26,904
Performing [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	50,678	51,539
Performing [Member] | Home Equity [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	17,880	19,162
Performing [Member] | Installment Loans [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	5,108	6,317
Performing [Member] | Residential Real Estate [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	27,690	26,060
Non-performing [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	1,547	1,471
Non-performing [Member] | Home Equity [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	347	494
Non-performing [Member] | Installment Loans [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	57	133
Non-performing [Member] | Residential Real Estate [Member]
Recorded investment in residential and consumer loans based on payment activity
Total	$ 1,143	$ 844