Loans and Allowance for Loan Losses (Impaired loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Impaired loans
Related Allowance	$ 503	$ 308
Commercial and industrial [Member]
Impaired loans
Unpaid Contractual Principal Balance	626	592
Recorded Investment With No Related Allowance	23	78
Recorded Investment With Related Allowance	603	514
Related Allowance	503	308
Commercial and industrial [Member] | Commercial [Member]
Impaired loans
Unpaid Contractual Principal Balance	478	491
Recorded Investment With No Related Allowance	23	78
Recorded Investment With Related Allowance	455	413
Related Allowance	355	246
Commercial and industrial [Member] | SBA loans [Member]
Impaired loans
Unpaid Contractual Principal Balance	49
Recorded Investment With No Related Allowance
Recorded Investment With Related Allowance	49
Related Allowance	49
Commercial and industrial [Member] | Asset-based [Member]
Impaired loans
Unpaid Contractual Principal Balance	99	101
Recorded Investment With No Related Allowance
Recorded Investment With Related Allowance	99	101
Related Allowance	99	62
Commercial real estate [Member]
Impaired loans
Unpaid Contractual Principal Balance	1,746	1,687
Recorded Investment With No Related Allowance	1,143	1,173
Recorded Investment With Related Allowance	603	514
Related Allowance	503	308
Commercial real estate [Member] | SBA loans [Member]
Impaired loans
Unpaid Contractual Principal Balance
Recorded Investment With No Related Allowance
Recorded Investment With Related Allowance
Related Allowance
Commercial real estate [Member] | Commercial mortgages [Member]
Impaired loans
Unpaid Contractual Principal Balance	733	677
Recorded Investment With No Related Allowance	733	677
Recorded Investment With Related Allowance
Related Allowance
Commercial real estate [Member] | Religious organizations [Member]
Impaired loans
Unpaid Contractual Principal Balance	387	407
Recorded Investment With No Related Allowance	387	407
Recorded Investment With Related Allowance
Related Allowance