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
	Mar. 31, 2014	Mar. 31, 2013
Receivables [Abstract]
Balance at beginning of period	$ 43,829	$ 47,777
Provision for loan and lease losses - uncovered	1,159	3,041
Loans charged off	(2,424)	(3,210)
Recoveries	459	698
Balance at end of period	$ 43,023	$ 48,306
Percentage of Credit Loss Allowance to Loans	1.19%	1.49%