Allowance for Loan and Lease Losses (Note Restructurings During Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 loans	Mar. 31, 2013 loans
Originated Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	61	52
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 13,063	$ 10,257
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	9	8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,315	1,856
Originated Loans | Interest Only Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	7	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,253	356
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	410	0
Originated Loans | Loan Term Extension
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	12	11
Financing Receivable, Modifications, Post-Modification Recorded Investment	3,192	2,986
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	41	483
Originated Loans | Below Market Interest Rate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	28	14
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,598	4,738
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	4	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	576	1,140
Originated Loans | Discharge of Debt
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	14	26
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,020	2,177
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	5
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	288	233
Originated Loans | Commercial | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,911	356
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	410	0
Originated Loans | Commercial | Interest Only Loan | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	196	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Commercial | Interest Only Loan | Lease financing
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	146	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Commercial | Loan Term Extension | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5	6
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,620	2,117
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	483
Originated Loans | Commercial | Loan Term Extension | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	186
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Commercial | Loan Term Extension | Lease financing
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	234	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Commercial | Below Market Interest Rate | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	82	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Commercial | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	12	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	4,677	2,556
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	449	1,024
Originated Loans | Commercial | Below Market Interest Rate | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	110	17
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	116
Originated Loans | Commercial | Discharge of Debt | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,003	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Noncommerical | Loan Term Extension | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	338	683
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Noncommerical | Loan Term Extension | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	41	0
Originated Loans | Noncommerical | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	8	5
Financing Receivable, Modifications, Post-Modification Recorded Investment	451	675
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	3	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	127	0
Originated Loans | Noncommerical | Below Market Interest Rate | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	278	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Noncommerical | Below Market Interest Rate | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	5
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	1,490
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Noncommerical | Discharge of Debt | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	7	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	708	299
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	288	0
Originated Loans | Noncommerical | Discharge of Debt | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	62	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Originated Loans | Noncommerical | Discharge of Debt | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	24
Financing Receivable, Modifications, Post-Modification Recorded Investment	229	1,878
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	5
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	233
Originated Loans | Noncommerical | Discharge of Debt | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	18	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Acquired Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	9	8
Financing Receivable, Modifications, Post-Modification Recorded Investment	21,765	6,430
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	4	7
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	16,389	4,336
Acquired Loans | Interest Only Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	15,906	1,991
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	15,906	388
Acquired Loans | Loan Term Extension
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	281	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Acquired Loans | Below Market Interest Rate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	6	6
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,578	4,439
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	5
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	483	3,948
Acquired Loans | Commercial | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	15,906	1,991
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	15,906	291
Acquired Loans | Commercial | Loan Term Extension | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	281	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Acquired Loans | Commercial | Below Market Interest Rate | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	37	309
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Acquired Loans | Commercial | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,439	2,946
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	47	3,222
Acquired Loans | Commercial | Below Market Interest Rate | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	458
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0
Acquired Loans | Noncommerical | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	97
Acquired Loans | Noncommerical | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	102	726
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 436	$ 726