ALLOWANCE FOR CREDIT LOSSES (Changes In The Allowance For Credit Losses By Segment And Class) (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
Loans and leases charged off	(17,019)	(26,719)	(25,027)
Recoveries	10,297	23,734	14,234
Provision	4,000	(13,000)
Balance at end of period	123,736	126,458	142,443
Commercial And Industrial [Member]
Changes in the allowance for credit losses [Roll Forward]
Balance at beginning of period	17,583	21,419
Loans and leases charged off	(4,551)	(10,022)
Recoveries	1,833	2,035
Provision	4,305	4,151
Balance at end of period	19,170	17,583	21,419
Credit Cards [Member]
Changes in the allowance for credit losses [Roll Forward]
Balance at beginning of period	4,047	6,514
Loans and leases charged off	(2,845)	(2,632)
Recoveries	850	658
Provision	5,735	(493)
Balance at end of period	7,787	4,047	6,514
All Other [Member]
Changes in the allowance for credit losses [Roll Forward]
Balance at beginning of period	6,117	11,761
Loans and leases charged off	(2,197)	(2,271)
Recoveries	911	1,108
Provision	515	(4,481)
Balance at end of period	$ 5,346	$ 6,117	$ 11,761