Fair Value (Assets And Liabilities Measured At Fair Value On A Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified																																						9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011 Fair Value [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Level 2 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] Level 2 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] Level 3 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 2 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 2 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 3 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Residential Real Estate Commercial [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 2 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 2 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 3 [Member]	Dec. 31, 2011 Fair Value, Measurements, Nonrecurring [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market and Income Approach Valuation Technique [Member] Fair Value [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market and Income Approach Valuation Technique [Member] Fair Value [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Residential Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Construction Real Estate [Member] Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Market Approach Valuation Technique [Member] Fair Value [Member] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Income Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Weighted Average [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Income Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Minimum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Residential Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Market Approach Valuation Technique [Member] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Income Approach Valuation Technique [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Income Approach Valuation Technique [Member] Commercial Real Estate [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] SEPH Commercial Land and Development [Member] Level 3 [Member]	Sep. 30, 2012 Fair Value, Measurements, Nonrecurring [Member] Maximum [Member] Bulk Sale Valuation Technique Approach [Domain] Construction Real Estate [Member] Construction Real Estate - Remaining Commercial [Member] Level 3 [Member]
Fair Value, Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans fair value	$ 4,369,369	$ 4,266,572	$ 56,405	$ 67,882			$ 56,405	$ 67,882	$ 12,923	$ 21,228			$ 12,923	$ 21,228	$ 8,277	$ 8,860			$ 8,277	$ 8,860	$ 10,010	$ 12,935			$ 10,010	$ 12,935	$ 25,195	$ 24,859			$ 25,195	$ 24,859		$ 25,195	$ 10,010	$ 12,923	$ 8,277
Servicing Asset at Fair Value, Amount			6,108	5,815	6,108	5,815
Other real estate owned fair value	$ 4,282,576	$ 4,187,155	$ 33,484	$ 42,272			$ 33,484	$ 42,272																									$ 33,484
Fair Value Inputs [Abstract]
Fair Value Inputs, Comparability Adjustments																																						14.90%	25.80%	3.70%	30.80%					0.00%	0.00%	0.00%	0.00%					49.00%	59.00%	43.00%	68.60%
Fair Value Inputs, Cap Rate																																										12.70%	11.70%							10.00%	9.00%							14.30%	12.50%
Fair Value Inputs, Discount Rate																																												26.90%	37.50%							25.00%	28.00%							35.00%	45.00%