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	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Financing Receivable, Impaired [Line Items]
Average recorded investment	$ 44,778	$ 67,879	$ 50,368	$ 61,642
Interest income recognized	94	299	524	1,161
Commercial real estate \| Non-owner occupied term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	13,475	18,692	14,047	17,213
Interest income recognized	33	149	238	447
Commercial real estate \| Owner occupied term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	9,551	10,144	10,506	9,548
Interest income recognized	10	14	30	141
Commercial real estate \| Multifamily, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	4,072	3,890	3,970	3,914
Interest income recognized	0	30	60	91
Commercial real estate \| Construction & development, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	0	1,091	0	1,201
Interest income recognized	0	0	0	22
Commercial real estate \| Residential development, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	0	7,096	0	7,270
Interest income recognized	0	13	0	163
Commercial \| Term, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	14,244	19,269	17,728	16,048
Interest income recognized	51	88	196	242
Commercial \| Lines of credit & other, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	2,608	7,560	3,667	6,263
Interest income recognized	0	5	0	55
Commercial \| Leases & equipment finance, net
Financing Receivable, Impaired [Line Items]
Average recorded investment	828	137	450	185
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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

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