Fair Value Accounting (Changes In Fair Value Included In Consolidated Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Mortgage loans held for sale	$ (813)	$ 4,092	$ 969	$ (3,838)
Aggregate fair value	72,333		72,333		45,384
Unpaid principal balance	70,924		70,924		44,943
Aggregate fair value less aggregate unpaid principal balance	$ 1,409		$ 1,409		$ 441