Fair Value (Schedule Of Difference Between The Aggregate Fair Value And The Aggregate Remaining Principal Balance) (Details) (Residential Loans Held For Sale [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Residential Loans Held For Sale [Member]
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Aggregate Fair Value	$ 12,591	$ 4,528
Difference	354	99
Contractual Principal	$ 12,237	$ 4,429