Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Nonaccrual loans	$ 238,690	$ 289,268
Restructured loans	34
Loans past due 90 days or more and accruing	3,192	3,693
Total nonperforming loans	241,916	292,961
Commercial Real Estate [Member]
Nonaccrual loans	47,243	57,941
Restructured loans
Loans past due 90 days or more and accruing		20
Total nonperforming loans	47,243	57,961
Consumer [Member]
Nonaccrual loans	1,926	1,911
Restructured loans
Loans past due 90 days or more and accruing	629	1,059
Total nonperforming loans	2,555	2,970
Leases [Member]
Restructured loans
Commercial, Financial And Agricultural [Member]
Nonaccrual loans	24,008	19,276
Restructured loans
Loans past due 90 days or more and accruing	25
Total nonperforming loans	24,033	19,276
Construction Real Estate - Vision Commercial Land And Development [Member]
Nonaccrual loans	47,761	87,424
Restructured loans
Total nonperforming loans	47,761	87,424
Construction Real Estate - Remaining Commercial [Member]
Nonaccrual loans	33,685	27,080
Restructured loans
Total nonperforming loans	33,685	27,080
Construction Real Estate - Mortgage [Member]
Nonaccrual loans		354
Restructured loans
Total nonperforming loans		354
Construction Real Estate - Installment [Member]
Nonaccrual loans	427	417
Restructured loans
Loans past due 90 days or more and accruing		13
Total nonperforming loans	427	430
Residential Real Estate - Commercial [Member]
Nonaccrual loans	48,594	60,227
Restructured loans
Loans past due 90 days or more and accruing	861
Total nonperforming loans	49,455	60,227
Residential Real Estate - Mortgage [Member]
Nonaccrual loans	32,459	32,479
Restructured loans	34
Loans past due 90 days or more and accruing	1,676	2,175
Total nonperforming loans	34,169	34,654
Residential Real Estate - HELOC [Member]
Nonaccrual loans	1,418	964
Restructured loans
Loans past due 90 days or more and accruing		149
Total nonperforming loans	1,418	1,113
Residential Real Estate - Installment [Member]
Nonaccrual loans	1,169	1,195
Restructured loans
Loans past due 90 days or more and accruing	1	277
Total nonperforming loans	$ 1,170	$ 1,472