Loans and Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	$ 20,775	$ 28,525
Unpaid Principal Balance, With no related allowance recorded	24,186	33,066
Recorded Investment, With an allowance recorded	7,731	7,438	14,700
Unpaid Principal Balance, With an allowance recorded	7,943	6,482
Specific Reserves, With an allowance recorded	2,440	1,749	4,800
Total impaired loans, Recorded Investment	28,506	35,963
Total impaired loans, Unpaid Principal Balance	32,129	39,548
Commercial, financial, and agricultural
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	5,319	6,021
Unpaid Principal Balance, With no related allowance recorded	5,531	6,232
Recorded Investment, With an allowance recorded	1,797	1,520
Unpaid Principal Balance, With an allowance recorded	1,798	1,528
Specific Reserves, With an allowance recorded	667	134
Real estate - construction residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	1,743	1,750
Unpaid Principal Balance, With no related allowance recorded	2,143	2,259
Recorded Investment, With an allowance recorded	0	0
Unpaid Principal Balance, With an allowance recorded	0	0
Specific Reserves, With an allowance recorded	0	0
Real estate - construction commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,096	2,096
Unpaid Principal Balance, With no related allowance recorded	2,319	2,319
Recorded Investment, With an allowance recorded	0	0
Unpaid Principal Balance, With an allowance recorded	0	0
Specific Reserves, With an allowance recorded	0	0
Real estate - residential
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,617	3,213
Unpaid Principal Balance, With no related allowance recorded	3,057	3,270
Recorded Investment, With an allowance recorded	4,453	4,665
Unpaid Principal Balance, With an allowance recorded	4,516	3,546
Specific Reserves, With an allowance recorded	1,284	1,343
Real estate - commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	8,983	15,409
Unpaid Principal Balance, With no related allowance recorded	11,119	18,950
Recorded Investment, With an allowance recorded	1,280	1,055
Unpaid Principal Balance, With an allowance recorded	1,385	1,171
Specific Reserves, With an allowance recorded	462	246
Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment, With no related allowance recorded	17	36
Unpaid Principal Balance, With no related allowance recorded	17	36
Recorded Investment, With an allowance recorded	201	198
Unpaid Principal Balance, With an allowance recorded	244	237
Specific Reserves, With an allowance recorded	$ 27	$ 26

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

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-Publisher FASB

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-SubTopic 10

-Section 50

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