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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Loans and Leases by Class Modified as Troubled Debt Restructurings (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Loan	Dec. 31, 2014 USD ($) Loan	Dec. 31, 2013 USD ($) Loan
Financing Receivable, Modifications [Line Items]
Number of Loans | Loan	14	6	2
Consumer
Financing Receivable, Modifications [Line Items]
Number of Loans | Loan	14	6	2
Pre- Modification Outstanding Recorded Investment	$ 4,832	$ 1,539	$ 435
Post-Modification Outstanding Recorded Investment	$ 4,752	$ 1,523	$ 435
Consumer | Single family residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Loans | Loan	13	5
Pre- Modification Outstanding Recorded Investment	$ 4,571	$ 1,245
Post-Modification Outstanding Recorded Investment	$ 4,493	$ 1,229
Consumer | Other consumer
Financing Receivable, Modifications [Line Items]
Number of Loans | Loan	1	1	2
Pre- Modification Outstanding Recorded Investment	$ 261	$ 294	$ 435
Post-Modification Outstanding Recorded Investment	$ 259	$ 294	$ 435

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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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Pre-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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