Loans (Average Recorded Investment And Interest Income Recognized On Loans Individually Evaluated For Impairment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Financing Receivable, Impaired [Line Items]
Recorded investment	$ 200,400	$ 200,400	$ 250,933
Average recorded investment	226,828	236,430
Interest income recognized	246	598
Commercial, Financial And Agricultural [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	24,008	24,008
Average recorded investment	20,688	20,203
Interest income recognized	41	106
Construction Real Estate - Vision Commercial Land And Development [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	46,847	46,847
Average recorded investment	71,682	77,711
Construction Real Estate - Remaining Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	33,685	33,685
Average recorded investment	27,998	27,616
Interest income recognized	136	214
Residential Real Estate - Commercial [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	48,594	48,594
Average recorded investment	55,096	57,269
Interest income recognized	14	153
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	47,243	47,243
Average recorded investment	51,359	53,619
Interest income recognized	54	124
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Recorded investment	23	23
Average recorded investment	5	12
Interest income recognized	$ 1	$ 1