LOAN PORTFOLIO - Loan Modifications Considered Troubled Debt Restructurings Defaulted (Detail) - Entity Loan Modification Program [Member] $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($) numberofcontracts	Mar. 31, 2018 USD ($) numberofcontracts
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	38	18
Recorded Investment \| $	$ 298	$ 486
Other Loans [Member] \| Residential Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	0	4
Recorded Investment \| $	$ 0	$ 387
Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	18	11
Recorded Investment \| $	$ 47	$ 54
Auto loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	20	2
Recorded Investment \| $	$ 251	$ 23
Finance leases loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	0	1
Recorded Investment \| $	$ 0	$ 22

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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