Credit Quality of Loans and Allowance for Loan Losses, Credit Quality Indicators and Aging (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Credit Risk Profile [Abstract]
Loans	$ 1,248,373	$ 1,137,554	$ 1,145,023
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	4,910	9,677
60-89 Days Past Due	3,426	2,627
Greater than 90 Days Past Due	6,166	4,297
Total Past Due	14,502	16,601
Current	1,233,871	1,120,953
Total Loans	1,248,373	1,137,554
Recorded Investment > 90 days and Accruing	23	178
Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	452,065	403,976
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	1,692	4,350
60-89 Days Past Due	1,435	208
Greater than 90 Days Past Due	2,443	1,256
Total Past Due	5,570	5,814
Current	446,495	398,162
Total Loans	452,065	403,976
Recorded Investment > 90 days and Accruing	11	26
Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	60,350	64,893
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	548	36
60-89 Days Past Due	651	0
Greater than 90 Days Past Due	73	63
Total Past Due	1,272	99
Current	59,078	64,794
Total Loans	60,350	64,893
Recorded Investment > 90 days and Accruing	0	0
Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	430,930	397,135
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	913	1,230
60-89 Days Past Due	200	1,447
Greater than 90 Days Past Due	2,513	2,395
Total Past Due	3,626	5,072
Current	427,304	392,063
Total Loans	430,930	397,135
Recorded Investment > 90 days and Accruing	0	141
Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	943,345	866,004
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	25,965	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	0	0
Total Past Due	0	149
Current	25,965	17,649
Total Loans	25,965	17,798
Recorded Investment > 90 days and Accruing	0	0
Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	153,915	146,841
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	973	2,984
60-89 Days Past Due	1,030	870
Greater than 90 Days Past Due	712	307
Total Past Due	2,715	4,161
Current	151,200	142,680
Total Loans	153,915	146,841
Recorded Investment > 90 days and Accruing	0	0
Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	179,880	164,639
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	5,818	6,206
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	34	36
60-89 Days Past Due	9	0
Greater than 90 Days Past Due	12	7
Total Past Due	55	43
Current	5,763	6,163
Total Loans	5,818	6,206
Recorded Investment > 90 days and Accruing	12	7
Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	110,522	91,253
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	644	767
60-89 Days Past Due	101	102
Greater than 90 Days Past Due	413	269
Total Past Due	1,158	1,138
Current	109,364	90,115
Total Loans	110,522	91,253
Recorded Investment > 90 days and Accruing	0	4
Lease Financing Receivable [Member]
Credit Risk Profile [Abstract]
Loans	5,285	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	5,285	5,542
Total Loans	5,285	5,542
Recorded Investment > 90 days and Accruing	0	0
Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	3,523	3,910
Age Analysis of Past Due Loans by Class of Loans [Abstract]
30-59 Days Past Due	106	125
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	106	125
Current	3,417	3,785
Total Loans	3,523	3,910
Recorded Investment > 90 days and Accruing	0	0
Consumer Total [Member]
Credit Risk Profile [Abstract]
Loans	125,148	106,911
Percentage of Total Loans (in hundredths)	100.00%	100.00%
Pass [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	439,626	397,513
Pass [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	60,087	63,577
Pass [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	406,546	371,618
Pass [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	906,259	832,708
Percentage of Total Loans (in hundredths)	96.07%	96.15%
Pass [Member] | Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	25,965	17,798
Pass [Member] | Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	149,167	143,790
Pass [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	175,132	161,588
Percentage of Total Loans (in hundredths)	97.36%	98.15%
Special mention [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	6,130	2,962
Special mention [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	151	49
Special mention [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	4,839	8,781
Special mention [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	11,120	11,792
Percentage of Total Loans (in hundredths)	1.18%	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	1,504	548
Special mention [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	1,504	548
Percentage of Total Loans (in hundredths)	0.84%	0.33%
Substandard [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	5,777	3,272
Substandard [Member] | Commercial Real Estate - Construction [Member]
Credit Risk Profile [Abstract]
Loans	112	1,267
Substandard [Member] | Commercial Real Estate - Other [Member]
Credit Risk Profile [Abstract]
Loans	19,545	16,736
Substandard [Member] | Commercial Total [Member]
Credit Risk Profile [Abstract]
Loans	25,434	21,275
Percentage of Total Loans (in hundredths)	2.69%	2.46%
Substandard [Member] | Residential - Construction [Member]
Credit Risk Profile [Abstract]
Loans	0	0
Substandard [Member] | Residential - Prime [Member]
Credit Risk Profile [Abstract]
Loans	3,244	2,503
Substandard [Member] | Residential Total [Member]
Credit Risk Profile [Abstract]
Loans	3,244	2,503
Percentage of Total Loans (in hundredths)	1.80%	1.52%
Doubtful [Member] | Commercial, Financial and Agricultural [Member]
Credit Risk Profile [Abstract]
Loans	532	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	532	229
Percentage of Total Loans (in hundredths)	0.06%	0.03%
Performing [Member] | Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	5,806	6,196
Performing [Member] | Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	110,096	90,978
Performing [Member] | Lease Financing Receivable [Member]
Credit Risk Profile [Abstract]
Loans	5,285	5,542
Performing [Member] | Other Loans [Member]
Credit Risk Profile [Abstract]
Loans	3,523	3,910
Performing [Member] | Consumer Total [Member]
Credit Risk Profile [Abstract]
Loans	124,710	106,626
Percentage of Total Loans (in hundredths)	99.65%	99.73%
Nonperforming [Member] | Consumer - Credit Card [Member]
Credit Risk Profile [Abstract]
Loans	12	10
Nonperforming [Member] | Consumer - Other [Member]
Credit Risk Profile [Abstract]
Loans	426	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	$ 438	$ 285
Percentage of Total Loans (in hundredths)	0.35%	0.27%