Allowance for Loan and Lease Loss and Credit Quality (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 52,782	$ 49,643
Impaired Financing Receivable, with Related Allowance, Recorded Investment	49,790	51,140
Related Allowance	1,408	1,797
Unpaid Principal Balance	126,769	126,910
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	106,282	123,983
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	2,568	2,913
Non-owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	42,793	50,602
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	16,916	18,285
Impaired Financing Receivable, with Related Allowance, Recorded Investment	22,190	31,362
Related Allowance	502	928
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	50,589	63,274
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	1,619	1,512
Owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	16,339	11,876
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,290	6,204
Impaired Financing Receivable, with Related Allowance, Recorded Investment	7,655	5,202
Related Allowance	364	198
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	12,781	7,462
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	282	205
Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	4,040	1,416
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	300	935
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,519	0
Related Allowance	49	0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,954	765
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	145	0
Construction & Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,655	10,609
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	8,498
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,091	1,091
Related Allowance	7	11
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	6,156	13,919
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	44	484
Residential Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	9,670	22,513
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	5,776
Impaired Financing Receivable, with Related Allowance, Recorded Investment	9,675	11,927
Related Allowance	166	648
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	13,237	22,351
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	463	644
Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	31,733	22,750
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	18,701	8,723
Impaired Financing Receivable, with Related Allowance, Recorded Investment	256	300
Related Allowance	12	8
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	15,401	11,955
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	15	17
LOC & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	18,761	7,144
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,575	1,222
Impaired Financing Receivable, with Related Allowance, Recorded Investment	5,404	1,258
Related Allowance	308	4
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	5,138	4,008
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	51
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
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	153
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	626	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
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	95
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Consumer & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	152	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
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	26	1
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	$ 0	$ 0

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Amount of allowance for credit losses related to recorded investment.

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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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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 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

Reference 2: 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=28368275&loc=d3e5258-111524

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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.

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- Definition

Amount of investment in 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 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28368275&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.

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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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