Allowance For Non-Covered Loan Loss And Credit Quality (Internal Risk Rating By Loan Class) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	$ 6,693,603	$ 5,899,178
Deferred loan fees, net	(12,523)	(11,080)
Total loans and leases	6,681,080	5,888,098
Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	3,938,443	3,558,295
Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	202,118	165,066
Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	57,209	90,073
Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	797,802	625,766
LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	923,328	832,999
Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	476,579	315,927
Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	260,797	272,192
Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	37,327	38,860
Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	6,070,376	5,181,205
Percentage of impaired loans	9.00%
Pass/Watch [Member] | Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	3,515,753	3,068,803
Pass/Watch [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	166,660	109,434
Pass/Watch [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	25,082	24,801
Pass/Watch [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	718,122	586,365
Pass/Watch [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	880,385	775,495
Pass/Watch [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	469,325	309,478
Pass/Watch [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	258,252	268,731
Pass/Watch [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	36,797	38,098
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	268,002	343,714
Percentage of impaired loans	1.70%	3.80%
Special Mention [Member] | Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	203,643	275,475
Special Mention [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	12,666	19,946
Special Mention [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	4,379	6,740
Special Mention [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	22,255	16,631
Special Mention [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	19,521	22,051
Special Mention [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	3,507	2,106
Special Mention [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	1,612	683
Special Mention [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	419	82
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	209,398	201,631
Percentage of impaired loans	89.30%	96.00%
Substandard [Member] | Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	134,625	146,919
Substandard [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	6,063	12,342
Substandard [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	5,064	8,733
Substandard [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	46,893	9,608
Substandard [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	15,576	22,706
Substandard [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	1,120	296
Substandard [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality		773
Substandard [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	57	254
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Doubtful [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	3,418	6,349
Percentage of impaired loans		0.20%
Loss [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	2,627	4,047
Loss [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	758	1,876
Loss [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	33	426
Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	142,409	166,279
Impaired [Member] | Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	84,422	67,098
Impaired [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	16,729	23,344
Impaired [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	22,684	49,799
Impaired [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	10,532	13,162
Impaired [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	7,846	12,747
Impaired [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	175	129
Impaired [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans by credit quality	$ 21