Loans and Leases (Recorded Investment, By Class, In Loans And Leases On Nonaccrual Status And Loans And Leases Greater Than 90 Days Past Due And Still Accruing) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	$ 30,801	$ 79,782
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	26,681	73,954
Commercial | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,002	26,920
Commercial | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	23,387	37,603
Commercial | Other commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,150	2,194
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,142	7,237
Commercial | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	0
Noncommerical
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	4,120	5,828
Noncommerical | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	3,663	5,828
Noncommerical | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	457	0
Noncommerical | Revolving mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	0
Noncommerical | Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	0
Originated Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	53,170	89,845
Loans and leases greater than 90 days and accruing	8,784	11,272
Originated Loans | Commercial | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	544	14,930
Loans and leases greater than 90 days and accruing	0	541
Originated Loans | Commercial | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	33,529	50,532
Loans and leases greater than 90 days and accruing	1,113	1,671
Originated Loans | Commercial | Other commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,610	2,319
Loans and leases greater than 90 days and accruing	0	0
Originated Loans | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,428	6,972
Loans and leases greater than 90 days and accruing	294	466
Originated Loans | Commercial | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	832	1,075
Loans and leases greater than 90 days and accruing	0	0
Originated Loans | Noncommerical | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	14,701	12,603
Loans and leases greater than 90 days and accruing	1,998	3,337
Originated Loans | Noncommerical | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	457	668
Loans and leases greater than 90 days and accruing	256	111
Originated Loans | Noncommerical | Revolving mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	0
Loans and leases greater than 90 days and accruing	4,450	3,877
Originated Loans | Noncommerical | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	69	746
Loans and leases greater than 90 days and accruing	$ 673	$ 1,269