Allowance for Loan and Lease Loss and Credit Quality (Schedule Of Average Recorded Investment And Interest Income Recognized) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Impaired [Line Items]
Average recorded investment	$ 59,284	$ 54,298	$ 57,891	$ 57,894
Interest income recognized	489	356	862	695
Commercial real estate \| Non-owner occupied term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	17,743	12,361	16,752	10,935
Interest income recognized	149	132	298	195
Commercial real estate \| Owner occupied term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	10,746	6,451	9,322	9,137
Interest income recognized	66	33	127	86
Commercial real estate \| Multifamily, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	3,901	3,904	3,924	3,673
Interest income recognized	31	30	61	60
Commercial real estate \| Construction & development, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	1,091	1,701	1,238	1,335
Interest income recognized	11	21	22	40
Commercial real estate \| Residential development, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	7,221	7,778	7,370	7,905
Interest income recognized	75	80	150	161
Commercial \| Term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	12,697	19,019	14,079	21,672
Interest income recognized	119	40	154	113
Commercial \| LOC & other, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	5,515	3,084	4,960	3,237
Interest income recognized	38	20	50	40
Commercial \| Leases and equipment finance, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	370	0	246	0
Interest income recognized	$ 0	$ 0	$ 0	$ 0

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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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- Definition

Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524

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