LOANS AND LEASES LOANS AND LEASES - Carrying Amount of Accretable Yield for Purchased Impaired and Nonimpaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Receivables [Abstract]
Balance at beginning of period	$ 78,945	$ 127,764	$ 106,622	$ 133,671
Reclassification from/(to) non-accretable difference	76	(2,295)	(2,048)	19,864
Accretion	(4,945)	(8,158)	(17,046)	(26,808)
Other net activity	(4,746)	(4,250)	(18,198)	(13,666)
Balance at end of period	$ 69,330	$ 113,061	$ 69,330	$ 113,061