Allowance for Loan and Lease Loss and Credit Quality (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 117,201	$ 126,769
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	45,350	52,782
Impaired Financing Receivable, with Related Allowance, Recorded Investment	48,990	49,790
Related Allowance	1,400	1,408
Non-owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	41,615	42,793
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	14,936	16,916
Impaired Financing Receivable, with Related Allowance, Recorded Investment	22,100	22,190
Related Allowance	502	502
Owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	15,531	16,339
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,203	8,290
Impaired Financing Receivable, with Related Allowance, Recorded Investment	7,064	7,655
Related Allowance	361	364
Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,519	4,040
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	300
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,519	3,519
Related Allowance	49	49
Construction & Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,655	2,655
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,091	1,091
Related Allowance	7	7
Residential Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	9,568	9,670
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	9,568	9,675
Related Allowance	162	166
Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	29,026	31,733
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	20,600	18,701
Impaired Financing Receivable, with Related Allowance, Recorded Investment	256	256
Related Allowance	12	12
LOC & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	14,515	18,761
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,611	8,575
Impaired Financing Receivable, with Related Allowance, Recorded Investment	5,392	5,404
Related Allowance	307	308
Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	622	626
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	0	0
Consumer & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	150	152
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	$ 0	$ 0

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Amount of allowance for credit losses related to recorded investment.

+ 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 (a)(3)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without 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 (a)(4)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

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Amount of unpaid principal balance 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 15

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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