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LOAN PORTFOLIO - Loan Modifications Considered Troubled Debt Restructurings Defaulted (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
numberofcontracts
Jun. 30, 2016
USD ($)
numberofcontracts
Jun. 30, 2017
USD ($)
numberofcontracts
Jun. 30, 2016
USD ($)
numberofcontracts
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 53 75 78 129
Recorded Investment | $ $ 2,786 $ 1,792 $ 3,242 $ 4,049
Non Fha Va Residential Mortgage Loans [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 19 10 22 21
Recorded Investment | $ $ 2,614 $ 1,178 $ 2,891 $ 3,156
Commercial Mortgage Loans [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts     1 0
Recorded Investment | $     $ 57 $ 0
Consumer Auto Loans [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 5 31 9 40
Recorded Investment | $ $ 69 $ 498 $ 130 $ 634
Other Consumer Loans [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts 29 34 46 67
Recorded Investment | $ $ 103 $ 116 $ 164 $ 246
Finance Leases [Member]        
Financing Receivable Modifications [Line Items]        
Number of Contracts | numberofcontracts     0 1
Recorded Investment | $     $ 0 $ 13