Loans and the Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Investment and interest income recognized on impaired loans
Average Recorded Investment	$ 128,813	$ 128,445
Interest Income Recognized	105	526	[1]
Commercial, financial, agricultural
Investment and interest income recognized on impaired loans
Average Recorded Investment	7,745	3,758
Interest Income Recognized	5	0	[1]
Lease financing
Investment and interest income recognized on impaired loans
Average Recorded Investment	0	0
Interest Income Recognized	0	0	[1]
Real estate – construction
Investment and interest income recognized on impaired loans
Average Recorded Investment	2,037	1,650
Interest Income Recognized	2	0	[1]
Real estate – 1-4 family mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	27,754	43,097
Interest Income Recognized	34	183	[1]
Real estate – commercial mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	91,277	79,940
Interest Income Recognized	64	343	[1]
Installment loans to individuals
Investment and interest income recognized on impaired loans
Average Recorded Investment	0	0
Interest Income Recognized	$ 0	$ 0	[1]

[1] Includes interest income recognized using the cash-basis method of income recognition of $0. The Company recognized $289 interest income using the cash-basis method of income recognition during the three months ended March 31, 2014.