Loans And Allowance For Credit Losses (Schedule Of Changes In The FDIC Indemnification Asset) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Loans And Allowance For Credit Losses [Abstract]
FDIC Indemnification Asset	$ 26,411		$ 90,929		$ 133,810
FDIC Indemnification Asset [Roll Forward]
Amounts filed with the FDIC and collected or in process	21,302		17,004
Net change in asset balance due to reestimation of projected cash flows	$ (85,820)	[1]	$ (59,885)	[1]

[1] 1 Negative amounts result from the accretion of loan balances based on increases in cash flow estimates on the underlying indemnified loans.