LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Activity in Allowance for Loan Losses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Activity in allowance for loan losses
Balance, beginning of period	$ 14,747	$ 20,965
Provision for loan losses	0us-gaap_ProvisionForLoanAndLeaseLosses	0us-gaap_ProvisionForLoanAndLeaseLosses
Charge-offs	(335)	(528)
Recoveries	49	60
Balance, end of period	14,461	20,497
Commercial Real Estate
Activity in allowance for loan losses
Balance, beginning of period	9,462	13,215
Provision for loan losses	(63)	738
Charge-offs	(66)	(259)
Recoveries	13	25
Balance, end of period	9,346	13,719
Acquisition and Development
Activity in allowance for loan losses
Balance, beginning of period	697	670
Provision for loan losses	(87)	(196)
Charge-offs	(22)	0
Recoveries	0	0
Balance, end of period	588	474
Commercial and Industrial
Activity in allowance for loan losses
Balance, beginning of period	806	864
Provision for loan losses	(137)	60
Charge-offs	(26)	(9)
Recoveries	22	4
Balance, end of period	665	919
Municipal
Activity in allowance for loan losses
Balance, beginning of period	183	244
Provision for loan losses	(62)	0
Charge-offs	0	0
Recoveries	0	0
Balance, end of period	121	244
Commercial
Activity in allowance for loan losses
Balance, beginning of period	11,148	14,993
Provision for loan losses	(349)	602
Charge-offs	(114)	(268)
Recoveries	35	29
Balance, end of period	10,720	15,356
Residential Mortgage
Activity in allowance for loan losses
Balance, beginning of period	2,262	3,780
Provision for loan losses	494	(481)
Charge-offs	(201)	(193)
Recoveries	12	6
Balance, end of period	2,567	3,112
Installment and Other
Activity in allowance for loan losses
Balance, beginning of period	119	124
Provision for loan losses	15	44
Charge-offs	(20)	(67)
Recoveries	2	25
Balance, end of period	116	126
Consumer
Activity in allowance for loan losses
Balance, beginning of period	2,381	3,904
Provision for loan losses	509	(437)
Charge-offs	(221)	(260)
Recoveries	14	31
Balance, end of period	2,683	3,238
Unallocated
Activity in allowance for loan losses
Balance, beginning of period	1,218	2,068
Provision for loan losses	(160)	(165)
Charge-offs	0	0
Recoveries	0	0
Balance, end of period	$ 1,058	$ 1,903

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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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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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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