Loans and Leases, Net (Interest Income From Impaired Loans And Leases, By Class) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2009		Dec. 31, 2011 1-4 Family [Member]	Dec. 31, 2009 1-4 Family [Member]		Dec. 31, 2011 Permanent-NCLC [Member]	Dec. 31, 2009 Permanent-NCLC [Member]		Dec. 31, 2011 Liquidating Portfolio-Construction Loans [Member]	Dec. 31, 2009 Liquidating Portfolio-Construction Loans [Member]		Dec. 31, 2011 Home Equity Loans [Member]	Dec. 31, 2009 Home Equity Loans [Member]		Dec. 31, 2011 Liquidating Portfolio-Home Equity Loans [Member]	Dec. 31, 2009 Liquidating Portfolio-Home Equity Loans [Member]		Dec. 31, 2011 Other Consumer [Member]	Dec. 31, 2011 Commercial Non-Mortgage [Member]	Dec. 31, 2009 Commercial Non-Mortgage [Member]		Dec. 31, 2011 Asset-Based Loans [Member]	Dec. 31, 2011 Commercial Real Estate [Member]	Dec. 31, 2009 Commercial Real Estate [Member]		Dec. 31, 2011 Commercial Construction [Member]	Dec. 31, 2011 Residential Development [Member]	Dec. 31, 2009 Residential Development [Member]		Dec. 31, 2011 Equipment Financing [Member]	Dec. 31, 2011 Total Residential [Member]	Dec. 31, 2009 Total Residential [Member]		Dec. 31, 2011 Total Consumer [Member]	Dec. 31, 2009 Total Consumer [Member]		Dec. 31, 2011 Total Commercial [Member]	Dec. 31, 2009 Total Commercial [Member]		Dec. 31, 2011 Total Commercial Real Estate [Member]	Dec. 31, 2009 Total Commercial Real Estate [Member]		Dec. 31, 2011 Total Equipment Financing [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] 1-4 Family [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] 1-4 Family [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Permanent-NCLC [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Permanent-NCLC [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Construction [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Liquidating Portfolio-Construction Loans [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Liquidating Portfolio-Construction Loans [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Home Equity Loans [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Home Equity Loans [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Liquidating Portfolio-Home Equity Loans [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Liquidating Portfolio-Home Equity Loans [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Other Consumer [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Commercial Non-Mortgage [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Commercial Non-Mortgage [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Asset-Based Loans [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Asset-Based Loans [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Commercial Real Estate [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Commercial Real Estate [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Commercial Construction [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Commercial Construction [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Residential Development [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Residential Development [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Equipment Financing [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Equipment Financing [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Total Residential [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Total Residential [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Total Consumer [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Total Consumer [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Total Commercial [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Total Commercial [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Total Commercial Real Estate [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Total Commercial Real Estate [Member]	Dec. 31, 2011 Loans And Leases With No Allowance [Member] Total Equipment Financing [Member]	Dec. 31, 2010 Loans And Leases With No Allowance [Member] Total Equipment Financing [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] 1-4 Family [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] 1-4 Family [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Permanent-NCLC [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Permanent-NCLC [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Construction [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Construction [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Liquidating Portfolio-Construction Loans [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Home Equity Loans [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Home Equity Loans [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Liquidating Portfolio-Home Equity Loans [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Liquidating Portfolio-Home Equity Loans [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Other Consumer [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Commercial Non-Mortgage [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Commercial Non-Mortgage [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Asset-Based Loans [Member]	Dec. 31, 2010 Loans And Leases With Specific Allowance [Member] Asset-Based Loans [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Commercial Real Estate [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Commercial Real Estate [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Commercial Construction [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Commercial Construction [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Residential Development [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Residential Development [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Equipment Financing [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Equipment Financing [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Total Residential [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Total Residential [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Total Consumer [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Total Consumer [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Total Commercial [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Total Commercial [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Total Commercial Real Estate [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Total Commercial Real Estate [Member]	Dec. 31, 2011 Loans And Leases With Specific Allowance [Member] Total Equipment Financing [Member]	Dec. 31, 2009 Loans And Leases With Specific Allowance [Member] Total Equipment Financing [Member]
Debt Instrument [Line Items]
Average Recorded Investment	$ 490,654			$ 77,814			$ 11,168			$ 2			$ 16,613			$ 3,797			$ 4	$ 123,480			$ 13,847	$ 133,846			$ 37,669	$ 53,956			$ 18,458	$ 88,984			$ 20,414			$ 137,327			$ 225,471			$ 18,458	$ 532,187		$ 118,432		$ 10,414		$ 66	$ 1		$ 28,909		$ 5,477		$ 7	$ 120,152		$ 7,833		$ 184,856		$ 21,835		$ 23,832		$ 10,373		$ 128,913		$ 34,393		$ 127,985		$ 230,523		$ 10,373			$ 322,561		$ 32,665		$ 13,434		$ 489	$ 4,231		$ 8,726		$ 4,277	$ 83		$ 80,375		$ 14,540		$ 51,796		$ 25,673		$ 76,553		$ 9,719		$ 50,819		$ 13,086		$ 94,915		$ 154,022		$ 9,719
Interest income recognized		$ 10,067	[1]		$ 935	[1]		$ 193	[1]		$ 6	[1]		$ 228	[1]		$ 141	[1]			$ 3,639	[1]			$ 3,852	[1]			$ 1,073	[1]			$ 1,134	[1]		$ 369	[1]		$ 3,639	[1]		$ 4,925	[1]			$ 16,144		$ 2,643		$ 243			$ 4		$ 716		$ 217			$ 4,409		$ 609		$ 5,390		$ 603		$ 1,023		$ 287		$ 2,890		$ 933		$ 5,018		$ 7,016		$ 287	$ 19,732		$ 4,750		$ 420		$ 8			$ 1,434		$ 349			$ 4,529		$ 251		$ 6,499		$ 887		$ 527		$ 78		$ 5,178		$ 1,783		$ 4,780		$ 7,913		$ 78

[1] Interest income calculated on impaired loans as of December 31, 2009.