ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses on Covered Loans for the Current and Comparable Quarter and Year-to-Date (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Receivables [Abstract]
Balance at beginning of period	$ 18,901	$ 45,190
Provision for loan and lease losses	(2,192)	9,042
Loans charged-off	(7,240)	(9,684)
Recoveries	1,104	948
Balance at end of period	$ 10,573	$ 45,496