ALLOWANCE FOR LOAN AND LEASE LOSSES - Changes in the Allowance for Loan and Lease Losses for the Current and Comparable Quarter and Year-to-Date (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Receivables [Abstract]
Balance at beginning of period	$ 43,023	$ 48,306	$ 43,829	$ 47,777
Provision for loan and lease losses - uncovered	29	2,409	1,188	5,450
Loans charged off	(2,187)	(4,194)	(4,611)	(7,404)
Recoveries	1,162	526	1,621	1,224
Balance at end of period	$ 42,027	$ 47,047	$ 42,027	$ 47,047
Percentage of Credit Loss Allowance to Loans	1.15%	1.39%	1.15%	1.39%