Covered Assets and Indemnification Asset (Internal Risk Rating By Loan Class) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	$ 419,059	$ 477,078
Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	281,895	322,108
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	45,286	52,221
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	88,084	79,927
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	3,401	22,822
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	393	0
Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	328,211	369,339
Term & Multifamily [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	214,580	243,723
Term & Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	41,741	47,880
Term & Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	69,439	62,811
Term & Multifamily [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	2,058	14,925
Term & Multifamily [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	393	0
Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	6,783	9,688
Construction & Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,331	1,792
Construction & Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	195
Construction & Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,452	4,315
Construction & Development [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	3,386
Construction & Development [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	7,025	8,358
Residential Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	514	0
Residential Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	231	391
Residential Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,709	6,658
Residential Development [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	571	1,309
Residential Development [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	17,394	19,428
Term [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	7,403	9,020
Term [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	3,032	3,401
Term [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	6,357	4,986
Term [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	602	2,021
Term [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	9,503	14,113
LOC & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	8,108	11,498
LOC & Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	282	354
LOC & Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	943	1,080
LOC & Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	170	1,181
LOC & Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	24,879	27,596
Mortgage [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	24,879	27,596
Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Mortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Mortgage [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Mortgage [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	20,769	22,867
Home Equity Loans & Lines [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	20,585	22,790
Home Equity Loans & Lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Home Equity Loans & Lines [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	184	77
Home Equity Loans & Lines [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Home Equity Loans & Lines [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,495	5,689
Consumer & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,495	5,689
Consumer & Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Consumer & Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Consumer & Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Consumer & Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	$ 0	$ 0