Loans Receivable and Allowance for Loan and Lease Losses (Investment in non-covered loans on non-accrual status) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 120,547	$ 134,764
Residential Related Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	90,302	97,340
Residential Related Loans [Member] | Conventional Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	63,181	72,837
Residential Related Loans [Member] | Conventional Loan [Member] | Originated Up To The Year 2002 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	12,320	15,637
Residential Related Loans [Member] | Conventional Loan [Member] | Originated In The Years 2003 And 2004 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	17,640	19,693
Residential Related Loans [Member] | Conventional Loan [Member] | Originated In The Year 2005 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	9,418	10,325
Residential Related Loans [Member] | Conventional Loan [Member] | Originated In The Year 2006 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	15,077	17,673
Residential Related Loans [Member] | Conventional Loan [Member] | Originated In The Years 2007 2008 And 2009 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	7,847	8,996
Residential Related Loans [Member] | Conventional Loan [Member] | Originated In The Years 2010 2011 And 2012 [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	879	513
Residential Related Loans [Member] | NonTraditional Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	11,597	10,857
Residential Related Loans [Member] | Loss Mitigation Program [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	15,509	13,323
Residential Related Loans [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	90,287	97,017
Residential Related Loans [Member] | Home equity secured personal loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	15	323
Commercial Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	29,887	36,988
Commercial Loan [Member] | Commercial Secured [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	27,804	34,789
Commercial Loan [Member] | Other Commerical And Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	2,083	2,199
Consumer Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	281	334
Leasing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 77	$ 102