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LOAN PORTFOLIO - Loan Modifications Considered Troubled Debt Restructurings Defaulted (Detail) - TDR [Member]
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
numberofcontracts
Jun. 30, 2018
USD ($)
numberofcontracts
Jun. 30, 2019
USD ($)
numberofcontracts
Jun. 30, 2018
USD ($)
numberofcontracts
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 48 65 86 83
Recorded Investment | $ $ 758 $ 1,295 $ 1,056 $ 1,781
Other Loans Member [Member] | Residential Portfolio Segment [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 3 6 3 10
Recorded Investment | $ $ 184 $ 681 $ 184 $ 1,068
Other Loans Member [Member] | Consumer Portfolio Segment [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 16 28 34 39
Recorded Investment | $ $ 57 $ 100 $ 105 $ 154
Consumer Auto Loans [Member] | Consumer Portfolio Segment [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 29 31 49 33
Recorded Investment | $ $ 517 $ 514 $ 767 $ 537
Finance Lease [Member] | Consumer Portfolio Segment [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts     0 1,000
Recorded Investment | $     $ 0 $ 22