Loans & Leases (Narrative) (Detail) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Disclosure Loans & Leases Narrative [Abstract]
Indirect Auto Loans Reclassified From Held For Investment To Held For Sale		$ 265,000,000
Transfer For Loans Designated As Held For Sale	0	1,236,000
Cash Proceeds From Sale Of Reclassified Loans		256,372,000	0
Servicing Asset	2,000,000	2,000,000
Significant Credit Rating Loans Threshold	$ 5,000,000	$ 5,000,000