Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	$ 349	$ 58
Non-Accrual	8,957	18,243
Total	879,474	861,213
Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	867,327	838,061
30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	2,841	4,851
Commercial, Financial, and Agricultural
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	0	0
Non-Accrual	2,831	5,279
Total	173,485	154,834
Commercial, Financial, and Agricultural \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	170,230	149,366
Commercial, Financial, and Agricultural \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	424	189
Real Estate Construction - Residential
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	0	0
Non-Accrual	0	1,751
Total	13,531	18,103
Real Estate Construction - Residential \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	13,459	16,352
Real Estate Construction - Residential \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	72	0
Real estate - construction commercial
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	0	56
Non-Accrual	54	2,096
Total	32,560	48,822
Real estate - construction commercial \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	32,447	46,670
Real estate - construction commercial \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	59	0
Real Estate Mortgage - Residential
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	348	0
Non-Accrual	3,589	4,419
Total	249,512	247,117
Real Estate Mortgage - Residential \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	244,144	239,469
Real Estate Mortgage - Residential \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	1,431	3,229
Real Estate Mortgage - Commercial
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	0	0
Non-Accrual	2,342	4,465
Total	388,220	372,321
Real Estate Mortgage - Commercial \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	385,253	366,653
Real Estate Mortgage - Commercial \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	625	1,203
Installment and other consumer
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	1	2
Non-Accrual	141	233
Total	22,166	20,016
Installment and other consumer \| Current or Less Than 30 DaysPast Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	21,794	19,551
Installment and other consumer \| 30 - 89 Days Past Due
Aging information for the Company's past due and non-accrual loans
Financing receivable, recorded investment, past due	$ 230	$ 230

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953401-111524

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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