Allowance for Loan and Lease Losses (Note Restructurings During Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 loans	Jun. 30, 2013 loans	Jun. 30, 2014 loans	Jun. 30, 2013 loans
Originated Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	35	37	120	93
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 6,139	$ 6,397	$ 20,657	$ 19,245
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	6	4	11	7
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	2,057	450	2,944	543
Originated Loans | Interest Only Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	3	2	10	10
Financing Receivable, Modifications, Post-Modification Recorded Investment	766	171	2,986	4,136
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	0	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	494	0	708	0
Originated Loans | Loan Term Extension
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	13	2	27	10
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,530	288	5,705	2,298
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	3	0	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	351	0	351
Originated Loans | Below Market Interest Rate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	14	22	63	40
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,783	5,124	9,804	10,076
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	5	1	7	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,563	99	2,151	99
Originated Loans | Discharge of Debt
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5	11	20	33
Financing Receivable, Modifications, Post-Modification Recorded Investment	60	814	2,162	2,735
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	2	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	85	93
Originated Loans | Commercial | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	1	6	8
Financing Receivable, Modifications, Post-Modification Recorded Investment	720	71	2,600	3,406
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	0	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	494	0	708	0
Originated Loans | Commercial | Interest Only Loan | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1	0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	100	0	100
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	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			144	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			0
Originated Loans | Commercial | Interest Only Loan | Other
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0	1	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	46	0	46	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Originated Loans | Commercial | Loan Term Extension | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	0	2	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	191	0	191	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Originated Loans | Commercial | Loan Term Extension | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1	5	5
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	242	2,584	1,972
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	223	0	223
Originated Loans | Commercial | Loan Term Extension | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	0	4	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,069	0	2,069	229
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	22	0	22
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			224	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			10	1
Financing Receivable, Modifications, Post-Modification Recorded Investment			363	224
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	3	7	15	12
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,991	2,035	6,591	5,819
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	5	0	6	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,563	0	2,011	0
Originated Loans | Commercial | Below Market Interest Rate | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	3	1	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	365	753	365	753
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0		0
Originated Loans | Commercial | Below Market Interest Rate | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	3	6	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	831	143	846
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
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			983	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			0	0
Originated Loans | Noncommerical | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts			0	1
Financing Receivable, Modifications, Post-Modification Recorded Investment			0	630
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			0	0
Originated Loans | Noncommerical | Interest Only Loan | Lease financing
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Recorded Investment				0
Originated Loans | Noncommerical | Loan Term Extension | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	6	0	11	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	260	0	593	51
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	106	0	106
Originated Loans | Noncommerical | Loan Term Extension | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	1	3	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	10	46	44	46
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Originated Loans | Noncommerical | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	10	6	18	14
Financing Receivable, Modifications, Post-Modification Recorded Investment	427	885	820	1,579
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	99	140	99
Originated Loans | Noncommerical | Below Market Interest Rate | Other commercial real estate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			0
Originated Loans | Noncommerical | Below Market Interest Rate | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	2	8	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	521	1,248	521
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Originated Loans | Noncommerical | Below Market Interest Rate | Revolving mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1	5	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	99	274	99
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Originated Loans | Noncommerical | Below Market Interest Rate | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts			0	3
Financing Receivable, Modifications, Post-Modification Recorded Investment			0	235
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	1	2	8	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	13	87	649	352
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	85	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	2	9	7	30
Financing Receivable, Modifications, Post-Modification Recorded Investment	39	727	442	2,383
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	93
Originated Loans | Noncommerical | Discharge of Debt | Consumer
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	2	0	3	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	8	0	26	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Acquired Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	57	4	67	22
Financing Receivable, Modifications, Post-Modification Recorded Investment	6,951	1,944	10,614	18,787
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	4	3	8	9
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	170	2,027	253	6,169
Acquired Loans | Interest Only Loan
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1	2	3
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	134	0	467
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	2	2	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	1,803	44	2,093
Acquired Loans | Loan Term Extension
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0	2	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	53	0	329	199
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	0	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	53	0	53	0
Acquired Loans | Below Market Interest Rate
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	30	3	37	18
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,070	1,810	8,457	18,121
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	1	3	6
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	23	224	62	4,076
Acquired Loans | Discharge of Debt
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	26	0	26	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,828	0	1,828	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	0	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	94	0	94	0
Acquired Loans | Commercial | Interest Only Loan | Construction and land development
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	104	0	104
Acquired Loans | Commercial | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	0	2	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	0	0	290
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	1	2	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	1,699	44	1,989
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			276	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	0	2	4
Financing Receivable, Modifications, Post-Modification Recorded Investment	273	0	308	3,331
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Acquired Loans | Commercial | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	5	1	9	5
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,811	813	5,060	11,871
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	39	3,145
Acquired Loans | Commercial | Below Market Interest Rate | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0	1	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	23	0	23	435
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Acquired Loans | Noncommerical | Interest Only Loan | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	0	1	0	2
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	134	0	177
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	0	0	0	0
Acquired Loans | Noncommerical | Loan Term Extension | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	0	1	1
Financing Receivable, Modifications, Post-Modification Recorded Investment	53	0	53	199
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	0	1	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	53	0	53	0
Acquired Loans | Noncommerical | Below Market Interest Rate | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	23	2	25	7
Financing Receivable, Modifications, Post-Modification Recorded Investment	2,963	997	3,066	2,484
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	1	2	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	23	224	23	931
Acquired Loans | Noncommerical | Discharge of Debt | Mortgage
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts	26	0	26	0
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,828	0	1,828	0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	0	2	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 94	$ 0	$ 94	$ 0