Credit Quality of Loans and Allowance for Loan Losses, Credit Quality Indicators and Aging (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Credit Risk Profile [Abstract]
Loans	$ 1,224,182	$ 1,137,554	$ 1,118,572
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	4,979	9,677
60-89 Days Past Due	1,535	2,627
Greater than 90 Days Past Due	5,865	4,297
Total Past Due	12,379	16,601
Current	1,211,803	1,120,953
Total Loans	1,224,182	1,137,554
Recorded Investment > 90 days and Accruing	203	178
Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	454,310	403,976
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	1,846	4,350
60-89 Days Past Due	790	208
Greater than 90 Days Past Due	1,591	1,256
Total Past Due	4,227	5,814
Current	450,083	398,162
Total Loans	454,310	403,976
Recorded Investment > 90 days and Accruing	27	26
Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	62,757	64,893
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	58	36
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	73	63
Total Past Due	131	99
Current	62,626	64,794
Total Loans	62,757	64,893
Recorded Investment > 90 days and Accruing	0	0
Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	413,565	397,135
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	1,658	1,230
60-89 Days Past Due	378	1,447
Greater than 90 Days Past Due	2,902	2,395
Total Past Due	4,938	5,072
Current	408,627	392,063
Total Loans	413,565	397,135
Recorded Investment > 90 days and Accruing	159	141
Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	930,632	866,004
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	23,481	17,798
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	0	149
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	44	0
Total Past Due	44	149
Current	23,437	17,649
Total Loans	23,481	17,798
Recorded Investment > 90 days and Accruing	0	0
Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	153,082	146,841
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	763	2,984
60-89 Days Past Due	33	870
Greater than 90 Days Past Due	905	307
Total Past Due	1,701	4,161
Current	151,381	142,680
Total Loans	153,082	146,841
Recorded Investment > 90 days and Accruing	0	0
Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	176,563	164,639
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	6,004	6,206
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	22	36
60-89 Days Past Due	8	0
Greater than 90 Days Past Due	17	7
Total Past Due	47	43
Current	5,957	6,163
Total Loans	6,004	6,206
Recorded Investment > 90 days and Accruing	17	7
Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	102,577	91,253
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	514	767
60-89 Days Past Due	321	102
Greater than 90 Days Past Due	333	269
Total Past Due	1,168	1,138
Current	101,409	90,115
Total Loans	102,577	91,253
Recorded Investment > 90 days and Accruing	0	4
Lease Financing Receivable [Member]
Credit Risk Profile [Abstract]
Loans	4,750	5,542
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Current	4,750	5,542
Total Loans	4,750	5,542
Recorded Investment > 90 days and Accruing	0	0
Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	3,656	3,910
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	118	125
60-89 Days Past Due	5	0
Greater than 90 Days Past Due	0	0
Total Past Due	123	125
Current	3,533	3,785
Total Loans	3,656	3,910
Recorded Investment > 90 days and Accruing	0	0
Consumer Total [Member]
Credit Risk Profile [Abstract]
Loans	116,987	106,911
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Pass [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	443,503	397,513
Pass [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	62,615	63,577
Pass [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	387,732	371,618
Pass [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	893,850	832,708
Percentage of Total Loans (in hundredths)	96.05%	96.15%
Pass [Member] | Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	23,437	17,798
Pass [Member] | Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	148,562	143,790
Pass [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	171,999	161,588
Percentage of Total Loans (in hundredths)	97.42%	98.15%
Special mention [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	6,303	2,962
Special mention [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	34	49
Special mention [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	8,269	8,781
Special mention [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	14,606	11,792
Percentage of Total Loans (in hundredths)	1.57%	1.36%
Special mention [Member] | Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Special mention [Member] | Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	444	548
Special mention [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	444	548
Percentage of Total Loans (in hundredths)	0.25%	0.33%
Substandard [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	4,250	3,272
Substandard [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	108	1,267
Substandard [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	17,564	16,736
Substandard [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	21,922	21,275
Percentage of Total Loans (in hundredths)	2.35%	2.46%
Substandard [Member] | Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	44	0
Substandard [Member] | Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	4,076	2,503
Substandard [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	4,120	2,503
Percentage of Total Loans (in hundredths)	2.33%	1.52%
Doubtful [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	254	229
Doubtful [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Doubtful [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Doubtful [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	254	229
Percentage of Total Loans (in hundredths)	0.03%	0.03%
Performing [Member] | Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	5,995	6,196
Performing [Member] | Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	102,178	90,978
Performing [Member] | Lease Financing Receivable [Member]
Credit Risk Profile [Abstract]
Loans	4,750	5,542
Performing [Member] | Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	3,656	3,910
Performing [Member] | Consumer Total [Member]
Credit Risk Profile [Abstract]
Loans	116,579	106,626
Percentage of Total Loans (in hundredths)	99.65%	99.73%
Nonperforming [Member] | Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	9	10
Nonperforming [Member] | Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	399	275
Nonperforming [Member] | Lease Financing Receivable [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Nonperforming [Member] | Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Nonperforming [Member] | Consumer Total [Member]
Credit Risk Profile [Abstract]
Loans	$ 408	$ 285
Percentage of Total Loans (in hundredths)	0.35%	0.27%