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LOANS AND LEASES - Originated Troubled Debt Restructurings, Payment Default (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2018
USD ($)
Contract
Mar. 31, 2017
USD ($)
Contract
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 55 38
Recorded Investment | $ $ 526 $ 350
Direct Installment [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 45 29
Recorded Investment | $ $ 130 $ 82
Residential Mortgages [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 4 2
Recorded Investment | $ $ 190 $ 224
Indirect Installment [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 5 6
Recorded Investment | $ $ 10 $ 10
Consumer Lines of Credit [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 1 1
Recorded Investment | $ $ 196 $ 34
Consumer Loan [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | Contract 55 38
Recorded Investment | $ $ 526 $ 350