Loans and Leases, Part II (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Payment	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	$ 4,771	$ 4,062
Loans 61-89 Days Past Due	4,825	2,762
Loans 90 or more Days Past Due	5,501	6,021
Total Days Past Due	15,097	12,845
Current Loans	383,211	387,212
Total Loans	398,308	400,057
Accruing Loans 90 or More Days Past Due	0	0
Minimum period of default	90 days
Number of monthly payments to demonstrate repayment ability	6
Nonaccrual loans balances [Abstract]
Total Loans	11,545	13,425
Commercial and Business Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	1,419	65
Loans 61-89 Days Past Due	0	0
Loans 90 or more Days Past Due	37	256
Total Days Past Due	1,456	321
Current Loans	72,639	69,459
Total Loans	74,095	69,780
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	858	1,093
Government Program Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	0	88
Loans 61-89 Days Past Due	80	0
Loans 90 or more Days Past Due	0	0
Total Days Past Due	80	88
Current Loans	2,503	2,249
Total Loans	2,583	2,337
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	80	88
Total Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	1,419	153
Loans 61-89 Days Past Due	80	0
Loans 90 or more Days Past Due	37	256
Total Days Past Due	1,536	409
Current Loans	75,142	71,708
Total Loans	76,678	72,117
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	938	1,181
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	1,950	3,152
Loans 61-89 Days Past Due	2,619	2,130
Loans 90 or more Days Past Due	5,328	5,328
Total Days Past Due	9,897	10,610
Current Loans	132,298	122,989
Total Loans	142,195	133,599
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	7,564	8,415
Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	457	333
Loans 61-89 Days Past Due	2,091	322
Loans 90 or more Days Past Due	0	437
Total Days Past Due	2,548	1,092
Current Loans	51,675	53,924
Total Loans	54,223	55,016
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	1,378	1,834
Home Improvement and Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	387	119
Loans 61-89 Days Past Due	35	140
Loans 90 or more Days Past Due	0	0
Total Days Past Due	422	259
Current Loans	848	1,060
Total Loans	1,270	1,319
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	9	10
Total Real Estate Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	2,794	3,604
Loans 61-89 Days Past Due	4,745	2,592
Loans 90 or more Days Past Due	5,328	5,765
Total Days Past Due	12,867	11,961
Current Loans	184,821	177,973
Total Loans	197,688	189,934
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	8,951	10,259
Total RE Construction and Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	318	0
Loans 61-89 Days Past Due	0	0
Loans 90 or more Days Past Due	0	0
Total Days Past Due	318	0
Current Loans	81,305	90,941
Total Loans	81,623	90,941
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	1,413	1,730
Total Agricultural Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	0	0
Loans 61-89 Days Past Due	0	136
Loans 90 or more Days Past Due	136	0
Total Days Past Due	136	136
Current Loans	30,829	36,033
Total Loans	30,965	36,169
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	136	136
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	240	305
Loans 61-89 Days Past Due	0	34
Loans 90 or more Days Past Due	0	0
Total Days Past Due	240	339
Current Loans	11,114	10,300
Total Loans	11,354	10,639
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	107	119
Overdraft Protection Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	0	0
Loans 61-89 Days Past Due	0	0
Loans 90 or more Days Past Due	0	0
Total Days Past Due	0	0
Current Loans	0	90
Total Loans	0	90
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	0	0
Overdrafts [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	0	0
Loans 61-89 Days Past Due	0	0
Loans 90 or more Days Past Due	0	0
Total Days Past Due	0	0
Current Loans	0	155
Total Loans	0	155
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	0	0
Total Installment and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	240	305
Loans 61-89 Days Past Due	0	34
Loans 90 or more Days Past Due	0	0
Total Days Past Due	240	339
Current Loans	11,114	10,545
Total Loans	11,354	10,884
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	107	119
Commercial Lease Financing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans 30-60 Days Past Due	0	0
Loans 61-89 Days Past Due	0	0
Loans 90 or more Days Past Due	0	0
Total Days Past Due	0	0
Current Loans	0	12
Total Loans	0	12
Accruing Loans 90 or More Days Past Due	0	0
Nonaccrual loans balances [Abstract]
Total Loans	$ 0	$ 0