Loans and the Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Impaired loans
Recorded Investment With Allowance	$ 48,649	$ 56,924
Recorded Investment With No Allowance	37,505	50,827
Total Recorded Investment	86,154	107,751
Unpaid Principal Balance With Allowance	66,766	60,780
Unpaid Principal Balance With no Allowance	60,768	100,692
Total Unpaid Principal Balance	127,534	161,472
With Related Allowance	10,762	14,650
With No Related Allowance	0	0
Related Allowance	10,762	14,650
Average Recorded Investment With Related Allowance	60,613	61,286
Average Recorded Investment With No Related Allowance	46,718	62,470
Average recorded investment in impaired loans	107,331	123,756	137,350
Interest Income Recognized With Related Allowance	2,363	1,687
Interest Income Recognized With No Related Allowance	2,138	133
Interest Income, Total	4,501	1,820
Commercial, financial, agricultural
Impaired loans
Recorded Investment With Allowance	984	743
Recorded Investment With No Allowance	1,375	2,043
Unpaid Principal Balance With Allowance	2,199	664
Unpaid Principal Balance With no Allowance	2,672	5,911
With Related Allowance	171	260
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	2,172	430
Average Recorded Investment With No Related Allowance	1,607	4,668
Interest Income Recognized With Related Allowance	87	1
Interest Income Recognized With No Related Allowance	92	0
Lease financing
Impaired loans
Recorded Investment With Allowance	0	0
Recorded Investment With No Allowance	0	0
Unpaid Principal Balance With Allowance	0	0
Unpaid Principal Balance With no Allowance	0	0
With Related Allowance	0	0
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	0	0
Average Recorded Investment With No Related Allowance	0	0
Interest Income Recognized With Related Allowance	0	0
Interest Income Recognized With No Related Allowance	0	0
Real estate – construction
Impaired loans
Recorded Investment With Allowance	164	0
Recorded Investment With No Allowance	0	1,648
Unpaid Principal Balance With Allowance	164	0
Unpaid Principal Balance With no Allowance	0	2,447
With Related Allowance	0	0
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	154	0
Average Recorded Investment With No Related Allowance	0	1,650
Interest Income Recognized With Related Allowance	0	0
Interest Income Recognized With No Related Allowance	0	0
Real estate – 1-4 family mortgage
Impaired loans
Recorded Investment With Allowance	18,401	25,374
Recorded Investment With No Allowance	7,295	8,542
Unpaid Principal Balance With Allowance	21,051	27,659
Unpaid Principal Balance With no Allowance	10,855	15,209
With Related Allowance	4,824	7,353
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	20,961	29,247
Average Recorded Investment With No Related Allowance	8,591	10,903
Interest Income Recognized With Related Allowance	764	682
Interest Income Recognized With No Related Allowance	274	28
Real estate – commercial mortgage
Impaired loans
Recorded Investment With Allowance	29,079	30,624
Recorded Investment With No Allowance	28,784	38,517
Unpaid Principal Balance With Allowance	43,331	32,274
Unpaid Principal Balance With no Allowance	46,865	76,688
With Related Allowance	5,767	7,036
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	37,305	31,424
Average Recorded Investment With No Related Allowance	36,427	44,995
Interest Income Recognized With Related Allowance	1,511	1,001
Interest Income Recognized With No Related Allowance	1,762	105
Installment loans to individuals
Impaired loans
Recorded Investment With Allowance	21	183
Recorded Investment With No Allowance	51	77
Unpaid Principal Balance With Allowance	21	183
Unpaid Principal Balance With no Allowance	376	437
With Related Allowance	0	1
With No Related Allowance	0	0
Average Recorded Investment With Related Allowance	21	185
Average Recorded Investment With No Related Allowance	93	254
Interest Income Recognized With Related Allowance	1	3
Interest Income Recognized With No Related Allowance	$ 10	$ 0

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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

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

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-Publisher FASB

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-Topic 310

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-Paragraph 14A

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

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