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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
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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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- Definition 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 + Details
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