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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Number of Loans Modified and Their Pre-modification and Post-modification Investment Balances (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract	Dec. 31, 2013 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	20	9
Pre- Modification Investment Balance	$ 59	$ 1,912	$ 5,176
Post- Modification Investment Balance	$ 59	$ 1,824	$ 5,158
Residential and mortgage | First lien
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	19
Pre- Modification Investment Balance	$ 59	$ 1,876
Post- Modification Investment Balance	$ 59	$ 1,810
Installment and other loans
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract		1
Pre- Modification Investment Balance		$ 36
Post- Modification Investment Balance		$ 14
Commercial real estate | Owner-occupied
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract			4
Pre- Modification Investment Balance			$ 421
Post- Modification Investment Balance			$ 421
Commercial real estate | Non-owner occupied
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract			2
Pre- Modification Investment Balance			$ 3,457
Post- Modification Investment Balance			$ 3,457
Acquisition and development | Commercial and land development
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract			2
Pre- Modification Investment Balance			$ 1,081
Post- Modification Investment Balance			$ 1,081
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract			1
Pre- Modification Investment Balance			$ 217
Post- Modification Investment Balance			$ 199

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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