Loans, Past Due (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	$ 12,708	$ 7,160
Accruing Loans 90 Days or More Past Due	5	15
Total Accruing Loans Past Due	12,713	7,175
Nonaccrual Loans	34,278	38,822
Current Loans	679,531	670,324
Total Loans	726,522	716,321
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	1,529	645
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	1,529	645
Nonaccrual Loans	297	2,103
Current Loans	52,455	46,238
Total Loans	54,281	48,986
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	0	0
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	0	0
Nonaccrual Loans	109	86
Current Loans	12,485	8,336
Total Loans	12,594	8,422
Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	913	514
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	913	514
Nonaccrual Loans	18,814	23,578
Current Loans	34,325	34,454
Total Loans	54,052	58,546
Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	0	33
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	0	33
Nonaccrual Loans	0	0
Current Loans	6,038	3,497
Total Loans	6,038	3,530
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	6,098	2,931
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	6,098	2,931
Nonaccrual Loans	7,606	9,194
Current Loans	297,689	303,156
Total Loans	311,393	315,281
Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	3,041	2,251
Accruing Loans 90 Days or More Past Due	0	15
Total Accruing Loans Past Due	3,041	2,266
Nonaccrual Loans	4,947	3,110
Current Loans	189,271	188,262
Total Loans	197,259	193,638
Farmland [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	687	376
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	687	376
Nonaccrual Loans	2,297	487
Current Loans	46,494	47,362
Total Loans	49,478	48,225
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	433	410
Accruing Loans 90 Days or More Past Due	5	0
Total Accruing Loans Past Due	438	410
Nonaccrual Loans	208	221
Current Loans	28,939	29,818
Total Loans	29,585	30,449
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Accuring Loans 30 to 89 Days Past Dues	7	0
Accruing Loans 90 Days or More Past Due	0	0
Total Accruing Loans Past Due	7	0
Nonaccrual Loans	0	43
Current Loans	11,835	9,201
Total Loans	$ 11,842	$ 9,244