Mortgage Servicing Rights (Summary Of Changes In Capitalized MSR) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2014	Dec. 31, 2013
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	$ 114,311	$ 4,687	$ 72,793
Reductions due to loan payments	(5,547)
Reductions due to exercise of cleanup calls	(495)
Changes in fair value due to:
Changes in valuation model inputs or assumptions	834
Other changes in fair value	(1)
Fair value, ending balance	109,102	4,687	72,793
First Liens [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	111,314
Reductions due to loan payments	(5,374)
Reductions due to exercise of cleanup calls	(495)
Changes in fair value due to:
Changes in valuation model inputs or assumptions	834
Other changes in fair value	(88)
Fair value, ending balance	106,191
Second Liens [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	196
Reductions due to loan payments	(48)
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	193
Home Equity [Member]
Participating Mortgage Loans [Line Items]
Fair value, beginning balance	2,801
Reductions due to loan payments	(125)
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	$ 2,718