Covered Assets and Indemnification Asset (Internal Risk Rating By Loan Class) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	$ 397,083	$ 477,078
Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	263,397	322,108
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	43,460	52,221
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	88,919	79,927
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,307	22,822
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Term & Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	310,735	369,339
Term & Multifamily [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	201,171	243,723
Term & Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	38,536	47,880
Term & Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	70,787	62,811
Term & Multifamily [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	241	14,925
Term & Multifamily [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	0	0
Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	6,654	9,688
Construction & Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,153	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	5,501	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	7,470	8,358
Residential Development [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	504	0
Residential Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	599	391
Residential Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,764	6,658
Residential Development [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	603	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	13,865	19,428
Term [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,857	9,020
Term [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	3,027	3,401
Term [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	5,566	4,986
Term [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	415	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	10,585	14,113
LOC & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	8,054	11,498
LOC & Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,298	354
LOC & Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	1,185	1,080
LOC & Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	48	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	23,161	27,596
Mortgage [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	23,161	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	20,037	22,867
Home Equity Loans & Lines [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	19,921	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	116	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	4,576	5,689
Consumer & Other [Member] | Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Covered loans, by credit rating	4,576	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