Loans and Asset Quality Information (Schedule of Carrying Amount of Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Covered loans:
Impaired Purchased Loans - Carrying Value	$ 1,862	$ 1,950
Impaired Purchased Loans - Unpaid Principal Balance	5,145	5,183
Nonimpaired Purchased Loans - Carrying Value	117,967	125,644
Nonimpaired Purchased Loans - Unpaid Principal Balance	136,745	145,698
Total Covered Loans - Carrying Value	119,829	127,594	190,551
Total Covered Loans - Unpaid Principal Balance	141,890	150,881
Commercial, financial and agricultural [Member]
Covered loans:
Impaired Purchased Loans - Carrying Value	63	66
Impaired Purchased Loans - Unpaid Principal Balance	121	123
Nonimpaired Purchased Loans - Carrying Value	1,434	1,617
Nonimpaired Purchased Loans - Unpaid Principal Balance	1,426	1,661
Total Covered Loans - Carrying Value	1,497	1,683
Total Covered Loans - Unpaid Principal Balance	1,547	1,784
Real Estate construction, land development and other land loans [Member]
Covered loans:
Impaired Purchased Loans - Carrying Value	304	309
Impaired Purchased Loans - Unpaid Principal Balance	529	534
Nonimpaired Purchased Loans - Carrying Value	5,235	5,235
Nonimpaired Purchased Loans - Unpaid Principal Balance	6,108	6,471
Total Covered Loans - Carrying Value	5,539	5,544
Total Covered Loans - Unpaid Principal Balance	6,637	7,005
Real estate mortgage residential (1-4 family) first mortgages [Member]
Covered loans:
Impaired Purchased Loans - Carrying Value	337	362
Impaired Purchased Loans - Unpaid Principal Balance	1,288	1,298
Nonimpaired Purchased Loans - Carrying Value	85,066	89,408
Nonimpaired Purchased Loans - Unpaid Principal Balance	99,858	104,678
Total Covered Loans - Carrying Value	85,403	89,770
Total Covered Loans - Unpaid Principal Balance	101,146	105,976
Real estate mortgage home equity loans/lines of credit [Member]
Covered loans:
Impaired Purchased Loans - Carrying Value	12	12
Impaired Purchased Loans - Unpaid Principal Balance	19	19
Nonimpaired Purchased Loans - Carrying Value	12,330	12,791
Nonimpaired Purchased Loans - Unpaid Principal Balance	14,356	15,099
Total Covered Loans - Carrying Value	12,342	12,803
Total Covered Loans - Unpaid Principal Balance	14,375	15,118
Real estate mortgage commercial and other [Member]
Covered loans:
Impaired Purchased Loans - Carrying Value	1,146	1,201
Impaired Purchased Loans - Unpaid Principal Balance	3,188	3,209
Nonimpaired Purchased Loans - Carrying Value	13,902	16,593
Nonimpaired Purchased Loans - Unpaid Principal Balance	14,997	17,789
Total Covered Loans - Carrying Value	15,048	17,794
Total Covered Loans - Unpaid Principal Balance	$ 18,185	$ 20,998

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Reflects the adjusted carrying amount of loans for which it is probable, based on current facts and circumstances, that a creditor will not initially be able to collect all amounts due according to the contractual terms of the loan agreement, or will not recover the previously reported carrying amount of the loan covered by loss sharing arrangements.

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No definition available.

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The unpaid principal balance of covered impaired purchased loans.

+ References

No definition available.

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The carrying value of covered non-impaired purchased loans.

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The unpaid principal balance of covered non-impaired purchased loans.

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Aggregate amount of the unpaid principal balances of covered loans.

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- Definition

Aggregate gross carrying amount of loans and leases receivable covered by loss sharing agreements.

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No definition available.

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