ALLOWANCE FOR CREDIT LOSSES (Summary Of Changes In The Allowance For Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Changes in the allowance for credit losses [Roll Forward]
Balance at beginning of period	$ 126,458	$ 142,443	$ 153,236
Provision charged to expense	4,000	(13,000)
Recoveries	10,297	23,734	14,234
Loans and leases charged off	(17,019)	(26,719)	(25,027)
Balance at end of period	$ 123,736	$ 126,458	$ 142,443