Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	$ 232	$ 58
Non-Accrual	11,730	18,243
Total	863,654	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	849,408	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	2,284	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	24	0
Non-Accrual	3,583	5,279
Total	162,067	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	158,166	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	294	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	12,088	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	12,088	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	0	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	1,934	2,096
Total	48,508	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	46,574	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	0	0
Real Estate Mortgage - Residential
Aging information for the Company's past due and non-accrual loans
90 Days Past Due And Still Accruing	208	0
Non-Accrual	3,370	4,419
Total	242,095	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	237,316	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	1,201	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	2,719	4,465
Total	378,398	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	375,097	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	582	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	0	2
Non-Accrual	124	233
Total	20,498	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	20,167	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	$ 207	$ 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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