Fair Value (Assets And Liabilities Measured At Fair Value On A Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	$ 88,497	$ 109,643
Mortgage servicing rights	2,526	3,813
Other real estate owned	47,734	41,709
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage servicing rights	2,526	3,813
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	88,497	109,643
Other real estate owned	47,734	41,709
Commercial, Financial And Agricultural [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	12,533	8,276
Commercial, Financial And Agricultural [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	12,533	8,276
Construction Real Estate - Vision Commercial Land And Development [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	31,124	42,274
Construction Real Estate - Vision Commercial Land And Development [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	31,124	42,274
Construction Real Estate - Remaining Commercial [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	10,224	10,465
Construction Real Estate - Remaining Commercial [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	10,224	10,465
Residential Real Estate [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	12,100	16,399
Residential Real Estate [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	12,100	16,399
Commercial Real Estate [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	22,516	32,229
Commercial Real Estate [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans carried at fair value (Restated), Fair value	$ 22,516	$ 32,229