Mortgage Servicing Rights (Summary Of Changes In Capitalized MSR) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2014	Dec. 31, 2013
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	$ 114,311	$ 3,197	$ 72,793
Reductions due to loan payments	(11,298)
Reductions due to exercise of cleanup calls	(495)
Changes in fair value due to:
Changes in valuation model inputs or assumptions	11,330
Other changes in fair value	5
Fair value, ending balance	113,853	3,197	72,793
First Liens [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	111,314
Reductions due to loan payments	(10,991)
Reductions due to exercise of cleanup calls	(495)
Changes in fair value due to:
Changes in valuation model inputs or assumptions	11,330
Other changes in fair value	(82)
Fair value, ending balance	111,076
Second Liens [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	196
Reductions due to loan payments	(69)
Reductions due to exercise of cleanup calls	0
Changes in fair value due to:
Changes in valuation model inputs or assumptions	0
Other changes in fair value	45
Fair value, ending balance	172
Home Equity [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	2,801
Reductions due to loan payments	(238)
Reductions due to exercise of cleanup calls	0
Changes in fair value due to:
Changes in valuation model inputs or assumptions	0
Other changes in fair value	42
Fair value, ending balance	$ 2,605