Supplemental Cash Flow Information (Schedule Of Noncash Activities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Other Significant Noncash Transactions [Line Items]
Loans and Leases Transfered to Other Real Estate Owned	$ 6,167	$ 3,446	$ 13,483	$ 10,098
Loans Held for Sale Reclassified as Loans Held For Investment	(40,017)	(22,299)	(36,129)	(33,042)
Amortized Cost of HTM Securities Reclassified as AFS Securities	$ 0	$ 0	$ 0	$ 79,276