Credit Quality of Loans and Allowance for Loan Losses, Part III (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2012		Dec. 31, 2011
Credit Risk Profile [Abstract]
Loans	$ 751,455		$ 746,305	[1]
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	4,411	[2]	7,544	[2]
60 to 89 Days Past Due	1,860	[2]	1,070	[2]
Greater than 90 Days Past Due	5,293	[2]	5,065	[2]
Total Past Due	11,564		13,679
Current	739,891		732,626
Total Loans	751,455		746,305	[1]
Recorded Investment 90 Days Past Due and Accruing	62		231
Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	233,629		223,283
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	1,081	[2]	622	[2]
60 to 89 Days Past Due	225	[2]	242	[2]
Greater than 90 Days Past Due	1,649	[2]	1,856	[2]
Total Past Due	2,955		2,720
Current	230,674		220,563
Total Loans	233,629		223,283
Recorded Investment 90 Days Past Due and Accruing	23		64
Commercial Real Estate Construction [Member]
Credit Risk Profile [Abstract]
Loans	43,345		41,463
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	288	[2]	673	[2]
60 to 89 Days Past Due	1,133	[2]	166	[2]
Greater than 90 Days Past Due	128	[2]	358	[2]
Total Past Due	1,549		1,197
Current	41,796		40,266
Total Loans	43,345		41,463
Recorded Investment 90 Days Past Due and Accruing	0		0
Commercial Real Estate Other [Member]
Credit Risk Profile [Abstract]
Loans	271,141		280,798
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	1,170	[2]	3,185	[2]
60 to 89 Days Past Due	10	[2]	0	[2]
Greater than 90 Days Past Due	2,597	[2]	1,878	[2]
Total Past Due	3,777		5,063
Current	267,364		275,735
Total Loans	271,141		280,798
Recorded Investment 90 Days Past Due and Accruing	0		0
Commercial Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	548,115		545,544
Percentage of Total Loans (in hundredths)	100.00%		100.00%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	548,115		545,544
Residential Construction [Member]
Credit Risk Profile [Abstract]
Loans	11,766		11,249
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	0	[2]	0	[2]
60 to 89 Days Past Due	0	[2]	0	[2]
Greater than 90 Days Past Due	0	[2]	0	[2]
Total Past Due	0		0
Current	11,766		11,249
Total Loans	11,766		11,249
Recorded Investment 90 Days Past Due and Accruing	0		0
Residential-Prime [Member]
Credit Risk Profile [Abstract]
Loans	112,343		113,582
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	1,518	[2]	2,457	[2]
60 to 89 Days Past Due	368	[2]	469	[2]
Greater than 90 Days Past Due	723	[2]	685	[2]
Total Past Due	2,609		3,611
Current	109,734		109,971
Total Loans	112,343		113,582
Recorded Investment 90 Days Past Due and Accruing	36		140
Residential-Subprime [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	0	[2]	0	[2]
60 to 89 Days Past Due	0	[2]	0	[2]
Greater than 90 Days Past Due	0	[2]	0	[2]
Total Past Due	0		0
Current	0		0
Total Loans	0		0
Recorded Investment 90 Days Past Due and Accruing	0		0
Residential Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	124,109		124,831
Percentage of Total Loans (in hundredths)	100.00%		100.00%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	124,109		124,831
Consumer-Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	5,188		5,200
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	13	[2]	79	[2]
60 to 89 Days Past Due	21	[2]	0	[2]
Greater than 90 Days Past Due	3	[2]	19	[2]
Total Past Due	37		98
Current	5,151		5,102
Total Loans	5,188		5,200
Recorded Investment 90 Days Past Due and Accruing	3		19
Consumer-Other [Member]
Credit Risk Profile [Abstract]
Loans	67,671		64,780
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	261	[2]	410	[2]
60 to 89 Days Past Due	95	[2]	193	[2]
Greater than 90 Days Past Due	193	[2]	269	[2]
Total Past Due	549		872
Current	67,122		63,908
Total Loans	67,671		64,780
Recorded Investment 90 Days Past Due and Accruing	0		8
Finance Leases Commercial [Member]
Credit Risk Profile [Abstract]
Loans	3,974		4,276
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	0	[2]	0	[2]
60 to 89 Days Past Due	0	[2]	0	[2]
Greater than 90 Days Past Due	0	[2]	0	[2]
Total Past Due	0		0
Current	3,974		4,276
Total Loans	3,974		4,276
Recorded Investment 90 Days Past Due and Accruing	0		0
Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	2,398		1,674
Financing Receivable, Recorded Investment, Aging [Abstract]
30 to 59 Days Past Due	80	[2]	118	[2]
60 to 89 Days Past Due	8	[2]	0	[2]
Greater than 90 Days Past Due	0	[2]	0	[2]
Total Past Due	88		118
Current	2,310		1,556
Total Loans	2,398		1,674
Recorded Investment 90 Days Past Due and Accruing	0		0
Consumer Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	79,231		75,930
Percentage of Total Loans (in hundredths)	100.00%		100.00%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	79,231		75,930
Pass [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	226,921		216,465
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	226,921		216,465
Pass [Member] | Commercial Real Estate Construction [Member]
Credit Risk Profile [Abstract]
Loans	39,505		36,631
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	39,505		36,631
Pass [Member] | Commercial Real Estate Other [Member]
Credit Risk Profile [Abstract]
Loans	257,927		264,542
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	257,927		264,542
Pass [Member] | Commercial Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	524,353		517,638
Percentage of Total Loans (in hundredths)	95.66%		94.88%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	524,353		517,638
Pass [Member] | Residential Construction [Member]
Credit Risk Profile [Abstract]
Loans	11,467		9,041
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	11,467		9,041
Pass [Member] | Residential-Prime [Member]
Credit Risk Profile [Abstract]
Loans	108,015		104,965
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	108,015		104,965
Pass [Member] | Residential-Subprime [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Pass [Member] | Residential Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	119,482		114,006
Percentage of Total Loans (in hundredths)	96.27%		91.33%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	119,482		114,006
Special Mention [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	2,539		1,705
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	2,539		1,705
Special Mention [Member] | Commercial Real Estate Construction [Member]
Credit Risk Profile [Abstract]
Loans	753		1,104
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	753		1,104
Special Mention [Member] | Commercial Real Estate Other [Member]
Credit Risk Profile [Abstract]
Loans	8,798		10,755
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	8,798		10,755
Special Mention [Member] | Commercial Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	12,090		13,564
Percentage of Total Loans (in hundredths)	2.21%		2.49%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	12,090		13,564
Special Mention [Member] | Residential Construction [Member]
Credit Risk Profile [Abstract]
Loans	0		1,077
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		1,077
Special Mention [Member] | Residential-Prime [Member]
Credit Risk Profile [Abstract]
Loans	1,350		5,152
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	1,350		5,152
Special Mention [Member] | Residential-Subprime [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Special Mention [Member] | Residential Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	1,350		6,229
Percentage of Total Loans (in hundredths)	1.09%		4.99%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	1,350		6,229
Substandard [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	3,985		4,809
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	3,985		4,809
Substandard [Member] | Commercial Real Estate Construction [Member]
Credit Risk Profile [Abstract]
Loans	3,087		3,728
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	3,087		3,728
Substandard [Member] | Commercial Real Estate Other [Member]
Credit Risk Profile [Abstract]
Loans	4,416		5,501
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	4,416		5,501
Substandard [Member] | Commercial Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	11,488		14,038
Percentage of Total Loans (in hundredths)	2.10%		2.57%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	11,488		14,038
Substandard [Member] | Residential Construction [Member]
Credit Risk Profile [Abstract]
Loans	299		1,131
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	299		1,131
Substandard [Member] | Residential-Prime [Member]
Credit Risk Profile [Abstract]
Loans	2,978		3,465
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	2,978		3,465
Substandard [Member] | Residential-Subprime [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Substandard [Member] | Residential Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	3,277		4,596
Percentage of Total Loans (in hundredths)	2.64%		3.68%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	3,277		4,596
Doubtful [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	184		304
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	184		304
Doubtful [Member] | Commercial Real Estate Construction [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Doubtful [Member] | Commercial Real Estate Other [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Doubtful [Member] | Commercial Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	184		304
Percentage of Total Loans (in hundredths)	0.03%		0.06%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	184		304
Performing [Member] | Consumer-Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	5,185		5,182
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	5,185		5,182
Performing [Member] | Consumer-Other [Member]
Credit Risk Profile [Abstract]
Loans	67,376		64,497
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	67,376		64,497
Performing [Member] | Finance Leases Commercial [Member]
Credit Risk Profile [Abstract]
Loans	3,974		4,276
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	3,974		4,276
Performing [Member] | Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	2,398		1,674
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	2,398		1,674
Performing [Member] | Consumer Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	78,933		75,629
Percentage of Total Loans (in hundredths)	99.62%		99.60%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	78,933		75,629
Nonperforming [Member] | Consumer-Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	3		18
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	3		18
Nonperforming [Member] | Consumer-Other [Member]
Credit Risk Profile [Abstract]
Loans	295		283
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	295		283
Nonperforming [Member] | Finance Leases Commercial [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Nonperforming [Member] | Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	0		0
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	0		0
Nonperforming [Member] | Consumer Portfolio Segment [Member]
Credit Risk Profile [Abstract]
Loans	298		301
Percentage of Total Loans (in hundredths)	0.38%		0.40%
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Loans	$ 298		$ 301

[1] Derived from audited financial statements.

[2] Past due amounts may include loans on nonaccrual status.