Loans and Allowance for Loan Losses (Details 6) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	$ 841,180	$ 838,061
30 - 89 Days Past Due	4,190	4,851
90 Days Past Due And Still Accruing	645	58
Non-Accrual	17,152	18,243
Total	863,167	861,213
Commercial, Financial, and Agricultural
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	147,407	149,366
30 - 89 Days Past Due	372	189
90 Days Past Due And Still Accruing	37	0
Non-Accrual	4,680	5,279
Total	152,496	154,834
Real Estate Construction - Residential
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	13,622	16,352
30 - 89 Days Past Due	192	0
90 Days Past Due And Still Accruing	0	0
Non-Accrual	1,743	1,751
Total	15,557	18,103
Real Estate Construction - Commercial
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	46,185	46,670
30 - 89 Days Past Due	56	0
90 Days Past Due And Still Accruing	0	56
Non-Accrual	2,096	2,096
Total	48,337	48,822
Real Estate Mortgage - Residential
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	243,279	239,469
30 - 89 Days Past Due	3,189	3,229
90 Days Past Due And Still Accruing	14	0
Non-Accrual	3,474	4,419
Total	249,956	247,117
Real Estate Mortgage - Commercial
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	370,796	366,653
30 - 89 Days Past Due	238	1,203
90 Days Past Due And Still Accruing	592	0
Non-Accrual	4,940	4,465
Total	376,566	372,321
Installment and other consumer
Aging information for the Company's past due and non-accrual loans
Current or Less Than 30 Days Past Due	19,891	19,551
30 - 89 Days Past Due	143	230
90 Days Past Due And Still Accruing	2	2
Non-Accrual	219	233
Total	$ 20,255	$ 20,016

Financing receivables that are 30 to 89 days past due.

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Financing receivables that are less than 30 days past due.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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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

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-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

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