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	Mar. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	$ 32,343	$ 30,801
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	28,537	26,681
Commercial | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,002	1,002
Commercial | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	25,276	23,387
Commercial | Other commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	933	1,150
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,180	1,142
Commercial | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	146	0
Noncommerical
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	3,806	4,120
Noncommerical | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	3,806	3,663
Noncommerical | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	457
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	46,952	53,170
Loans and leases greater than 90 days and accruing	9,471	8,784
Originated Loans | Commercial | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	702	544
Loans and leases greater than 90 days and accruing	192	0
Originated Loans | Commercial | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	28,910	33,529
Loans and leases greater than 90 days and accruing	927	1,113
Originated Loans | Commercial | Other commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	1,459	1,610
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	1,075	1,428
Loans and leases greater than 90 days and accruing	393	294
Originated Loans | Commercial | Lease financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	689	832
Loans and leases greater than 90 days and accruing	0	0
Originated Loans | Noncommerical | Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	14,091	14,701
Loans and leases greater than 90 days and accruing	2,609	1,998
Originated Loans | Noncommerical | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	0	457
Loans and leases greater than 90 days and accruing	206	256
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	4,341	4,450
Originated Loans | Noncommerical | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	26	69
Loans and leases greater than 90 days and accruing	$ 803	$ 673