Fair Value Accounting (Changes In Fair Value Included In Consolidated Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Mortgage loans held for sale	$ 1,057	$ (5,171)	$ 1,781	$ (7,930)
Aggregate fair value	75,957		75,957		45,384
Unpaid principal balance	73,735		73,735		44,943
Aggregate fair value less aggregate unpaid principal balance	$ 2,222		$ 2,222		$ 441