Covered Assets And Indemnification Asset (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]
Covered loans, by credit rating	$ 477,078	$ 622,451
Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	322,108	434,622
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	52,221	64,842
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	79,927	97,642
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	22,822	25,345
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	369,339	468,747
Term & Multifamily [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	243,723	329,273
Term & Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	47,880	58,610
Term & Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	62,811	68,521
Term & Multifamily [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	14,925	12,343
Term & Multifamily [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	9,688	13,105
Construction & Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,792	1,552
Construction & Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	195	1,410
Construction & Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,315	6,733
Construction & Development [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	3,386	3,410
Construction & Development [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	8,358	15,794
Residential Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating		1,187
Residential Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	391	405
Residential Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	6,658	8,394
Residential Development [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,309	5,808
Residential Development [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	19,428	31,139
Term [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	9,020	18,006
Term [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	3,401	1,661
Term [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,986	8,244
Term [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	2,021	3,228
Term [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	14,113	22,524
LOC & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	11,498	13,605
LOC & Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	354	2,756
LOC & Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,080	5,607
LOC & Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,181	556
LOC & Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	27,596	35,233
Mortgage [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	27,596	35,233
Mortgage [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	22,867	28,366
Home Equity Loans & Lines [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	22,790	28,223
Home Equity Loans & Lines [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	77	143
Home Equity Loans & Lines [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating
Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,689	7,543
Consumer & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,689	7,543
Consumer & Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating