Loans and the Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Impaired loans
Unpaid Contractual Principal Balance	$ 105,557	$ 127,534
Recorded Investment With Allowance	40,098	48,649
Recorded Investment With No Allowance	29,634	37,505
Total Recorded Investment	69,732	86,154
Related Allowance	10,400	10,762
Commercial, financial, agricultural
Impaired loans
Unpaid Contractual Principal Balance	5,722	4,871
Recorded Investment With Allowance	944	984
Recorded Investment With No Allowance	1,936	1,375
Total Recorded Investment	2,880	2,359
Related Allowance	1,095	171
Real estate – construction
Impaired loans
Unpaid Contractual Principal Balance	104	164
Recorded Investment With Allowance	104	164
Recorded Investment With No Allowance	0	0
Total Recorded Investment	104	164
Related Allowance	5	0
Real estate – 1-4 family mortgage
Impaired loans
Unpaid Contractual Principal Balance	21,043	31,906
Recorded Investment With Allowance	13,783	18,401
Recorded Investment With No Allowance	3,115	7,295
Total Recorded Investment	16,898	25,696
Related Allowance	4,841	4,824
Real estate – commercial mortgage
Impaired loans
Unpaid Contractual Principal Balance	78,688	90,196
Recorded Investment With Allowance	25,267	29,079
Recorded Investment With No Allowance	24,583	28,784
Total Recorded Investment	49,850	57,863
Related Allowance	4,459	5,767
Installment loans to individuals
Impaired loans
Unpaid Contractual Principal Balance	0	397
Recorded Investment With Allowance	0	21
Recorded Investment With No Allowance	0	51
Total Recorded Investment	0	72
Related Allowance	$ 0	$ 0

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

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+ References

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

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