LOANS AND LEASES LOANS AND LEASES - Carrying Amount of Accretable Yield for Purchased Impaired and Nonimpaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Receivables [Abstract]
Balance at beginning of period	$ 58,724	$ 91,988	$ 64,857	$ 106,622
Reclassification from/(to) non-accretable difference	3,402	(548)	3,720	(2,124)
Accretion	(3,755)	(5,744)	(7,965)	(12,101)
Other net activity	(1,552)	(6,751)	(3,793)	(13,452)
Balance at end of period	$ 56,819	$ 78,945	$ 56,819	$ 78,945