Loans and the Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013		Sep. 30, 2014	Sep. 30, 2013
Investment and interest income recognized on impaired loans
Average Recorded Investment	$ 107,331	$ 114,419		$ 114,093	$ 115,951
Interest Income Recognized	4,187	541	[1]	4,293	1,298	[2]
Commercial, financial, agricultural
Investment and interest income recognized on impaired loans
Average Recorded Investment	4,167	5,183		4,399	5,123
Interest Income Recognized	160	4	[1]	165	4	[2]
Real estate – construction
Investment and interest income recognized on impaired loans
Average Recorded Investment	1,997	1,650		2,023	1,650
Interest Income Recognized	96	0	[1]	98	0	[2]
Real estate – 1-4 family mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	26,378	32,274		27,122	33,181
Interest Income Recognized	808	158	[1]	843	449	[2]
Real estate – commercial mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	74,648	75,312		80,402	75,997
Interest Income Recognized	3,110	379	[1]	3,174	845	[2]
Installment loans to individuals
Investment and interest income recognized on impaired loans
Average Recorded Investment	141	0		147	0
Interest Income Recognized	$ 13	$ 0	[1]	$ 13	$ 0	[2]

[1] Includes interest income recognized using the cash-basis method of income recognition of $0. No interest income was recognized using the cash-basis method of income recognition during the three months ended September 30, 2014.

[2] Includes interest income recognized using the cash-basis method of income recognition of $0. No interest income was recognized using the cash-basis method of income recognition during the nine months ended September 30, 2014.