Loans and the Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013		Jun. 30, 2014	Jun. 30, 2013
Investment and interest income recognized on impaired loans
Average Recorded Investment	$ 122,462	$ 111,151		$ 124,181	$ 111,654
Interest Income Recognized	922	231	[1]	1,022	757	[2]
Commercial, financial, agricultural
Investment and interest income recognized on impaired loans
Average Recorded Investment	5,279	5,601		5,382	5,551
Interest Income Recognized	0	0	[1]	0	0	[2]
Real estate – construction
Investment and interest income recognized on impaired loans
Average Recorded Investment	2,034	1,650		2,036	1,650
Interest Income Recognized	0	0	[1]	2	0	[2]
Real estate – 1-4 family mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	21,747	34,732		22,122	34,874
Interest Income Recognized	170	108	[1]	204	291	[2]
Real estate – commercial mortgage
Investment and interest income recognized on impaired loans
Average Recorded Investment	93,402	69,168		94,641	69,579
Interest Income Recognized	752	123	[1]	816	466	[2]
Installment loans to individuals
Investment and interest income recognized on impaired loans
Average Recorded Investment	0	0		0	0
Interest Income Recognized	$ 0	$ 0	[1]	$ 0	$ 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 June 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 six months ended June 30, 2014.