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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) - Consumer
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Loan
Mar. 31, 2016
USD ($)
Loan
Financing Receivable, Modifications [Line Items]    
Number of Loans | Loan 2 38
Pre- Modification Outstanding Recorded Investment $ 1,266 $ 9,173
Post-Modification Outstanding Recorded Investment $ 1,273 $ 9,173
Single family residential mortgage    
Financing Receivable, Modifications [Line Items]    
Number of Loans | Loan 2 38
Pre- Modification Outstanding Recorded Investment $ 1,266 $ 9,173
Post-Modification Outstanding Recorded Investment $ 1,273 $ 9,173