Loans by Type (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Impaired Financing Receivable, Recorded Investment	$ 5,939	$ 6,217
Impaired Financing Receivable, Unpaid Principal Balance	5,939	6,217
Impaired Financing Receivable, Related Allowance	867	1,066
Commercial and Industrial Nonaccrual Financing Receivable [Member]
Impaired Financing Receivable, Recorded Investment	47	56
Impaired Financing Receivable, Unpaid Principal Balance	47	56
Impaired Financing Receivable, Related Allowance	24	28
Commercial and Industrial Troubled Debt Restructurings Continuing To Accrue Interest Financing Receivable [Member]
Impaired Financing Receivable, Recorded Investment	0	83
Impaired Financing Receivable, Unpaid Principal Balance	0	83
Impaired Financing Receivable, Related Allowance	0	8
Real Estate Mortgage Nonaccrual Financing Receivable [Member]
Impaired Financing Receivable, Recorded Investment	5,685	1,433
Impaired Financing Receivable, Unpaid Principal Balance	5,685	1,433
Impaired Financing Receivable, Related Allowance	728	149
Real Estate Mortgage Past Due 90 Days Or More and Still Accruing [Member]
Impaired Financing Receivable, Recorded Investment	0	29
Impaired Financing Receivable, Unpaid Principal Balance	0	29
Impaired Financing Receivable, Related Allowance	0	0
Real Estate Mortgage Troubled Debt Restructurings Continuing To Accrue Interest Financing Receivable [Member]
Impaired Financing Receivable, Recorded Investment	0	4,396
Impaired Financing Receivable, Unpaid Principal Balance	0	4,396
Impaired Financing Receivable, Related Allowance	0	766
Real Estate Nonaccrual Church - Mortgage [Member]
Impaired Financing Receivable, Recorded Investment	207	220
Impaired Financing Receivable, Unpaid Principal Balance	207	220
Impaired Financing Receivable, Related Allowance	$ 115	$ 115