LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 22,627	$ 16,979	$ 18,805	$ 14,448
Loans and leases charged off	(312)	(211)	(898)	(2,145)
Recoveries of loans and leases previously charged off	96	253	1,172	632
Transfer of loans from (to) held-for-sale	92	0	(613)	0
Provision for loan and lease losses	2,780	2,109	6,817	6,195
Balance at end of period	$ 25,283	$ 19,130	$ 25,283	$ 19,130

Amount of other addition (reduction) in allowance reserve for credit loss.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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