Loans and Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Mortgage loans on real estate:
Total mortgage loans on real estate	$ 1,093,286	$ 1,032,520
Commercial loans	30,545	38,736
Agricultural loans	2,238	2,556
Consumer installment loans:
Total consumer installment loans	41,713	44,689
Other loans	2,738	6,788
Gross Loan and Leases Receivable	1,170,520	1,125,289
Net deferred loan fees	(2,912)	(2,031)
Total loans	1,167,608	1,123,258
Less: Allowance for loan losses	(25,497)	(24,525)
Loans, net	1,142,111	1,098,733
Residential 1-4 Family [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	341,977	344,029
Consumer installment loans:
Gross Loan and Leases Receivable	341,977	344,029
Multifamily [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	16,140	9,791
Consumer installment loans:
Gross Loan and Leases Receivable	16,140	9,791
Commercial [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	469,757	422,531
Consumer installment loans:
Gross Loan and Leases Receivable	30,545	38,736
Construction [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	190,356	166,460
Consumer installment loans:
Gross Loan and Leases Receivable	190,356	166,460
Farmland [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	26,319	35,691
Consumer installment loans:
Gross Loan and Leases Receivable	26,319	35,691
Second mortgages [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	12,477	14,711
Consumer installment loans:
Gross Loan and Leases Receivable	12,477	14,711
Equity lines of Credit [Member]
Mortgage loans on real estate:
Total mortgage loans on real estate	36,260	39,307
Consumer installment loans:
Gross Loan and Leases Receivable	36,260	39,307
Personal [Member]
Consumer installment loans:
Total consumer installment loans	38,463	41,521
Credit cards [Member]
Consumer installment loans:
Total consumer installment loans	$ 3,250	$ 3,168

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Reflects the aggregate gross carrying amount of all commercial loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on commercial loans and leases.

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Reflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.

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Reflects the aggregate gross carrying amount of all loans and leases held in portfolio, not otherwise categorized (such as commercial, consumer, or foreign), prior to deducting deferred income and the allowance for losses on loans and leases, not otherwise categorized (such as commercial, consumer, or foreign).

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Total carrying amount of mortgage loans as of the balance sheet date.

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Agriculture loans.

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Loans receivable gross carrying amount.

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