Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Loans by Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Financing Receivable, Recorded Investment
Commercial real estate - owner occupied	$ 154,191	$ 150,528
Commercial real estate - non-owner occupied	298,890	304,597
Construction and land development	43,126	38,124
Multi-family	58,254	43,905
1-4 family	34,453	43,513
Total commercial real estate	588,914	580,667
Commercial and industrial loans	241,130	237,099
Direct financing leases, net	16,012	17,128
Home equity and second mortgages	4,839	4,970
Other	12,280	11,682
Total consumer and other loans	17,119	16,652
Total gross loans and leases receivable	863,175	851,546	861,379
Rating as a % of total portfolio	100.00%	100.00%
Category I
Financing Receivable, Recorded Investment
Commercial real estate - owner occupied	126,046	117,065
Commercial real estate - non-owner occupied	223,080	236,868
Construction and land development	26,157	20,660
Multi-family	50,525	34,162
1-4 family	18,655	23,266
Total commercial real estate	444,463	432,021
Commercial and industrial loans	206,766	198,018
Direct financing leases, net	10,559	11,398
Home equity and second mortgages	3,585	3,524
Other	11,131	10,459
Total consumer and other loans	14,716	13,983
Total gross loans and leases receivable	676,504	655,420
Rating as a % of total portfolio	78.37%	76.97%
Category II
Financing Receivable, Recorded Investment
Commercial real estate - owner occupied	14,877	16,488
Commercial real estate - non-owner occupied	46,316	34,823
Construction and land development	5,570	5,367
Multi-family	6,881	6,930
1-4 family	4,629	11,637
Total commercial real estate	78,273	75,245
Commercial and industrial loans	14,670	25,070
Direct financing leases, net	3,607	5,026
Home equity and second mortgages	173	188
Other	0	0
Total consumer and other loans	173	188
Total gross loans and leases receivable	96,723	105,529
Rating as a % of total portfolio	11.21%	12.39%
Category III
Financing Receivable, Recorded Investment
Commercial real estate - owner occupied	12,299	14,004
Commercial real estate - non-owner occupied	28,483	30,657
Construction and land development	5,455	4,867
Multi-family	797	804
1-4 family	8,431	4,993
Total commercial real estate	55,465	55,325
Commercial and industrial loans	16,467	12,453
Direct financing leases, net	1,846	686
Home equity and second mortgages	183	256
Other	0	0
Total consumer and other loans	183	256
Total gross loans and leases receivable	73,961	68,720
Rating as a % of total portfolio	8.57%	8.07%
Category IV
Financing Receivable, Recorded Investment
Commercial real estate - owner occupied	969	2,971
Commercial real estate - non-owner occupied	1,011	2,249
Construction and land development	5,944	7,230
Multi-family	51	2,009
1-4 family	2,738	3,617
Total commercial real estate	10,713	18,076
Commercial and industrial loans	3,227	1,558
Direct financing leases, net	0	18
Home equity and second mortgages	898	1,002
Other	1,149	1,223
Total consumer and other loans	2,047	2,225
Total gross loans and leases receivable	$ 15,987	$ 21,877
Rating as a % of total portfolio	1.85%	2.57%