Allowance for Non-Covered Loan Loss and Credit Quality (Schedule Of Troubled Debt Restructuring By Accrual versus Non-Accrual Status) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 73,966	$ 73,590
Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	67,464	68,791
Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	6,502	4,799
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	69,394	69,256
Commercial Real Estate [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	65,612	67,060
Commercial Real Estate [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	3,782	2,196
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	3,965	3,861
Commercial [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	1,245	1,258
Commercial [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	2,720	2,603
Residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	607	473
Residential [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	607	473
Residential [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 0	$ 0