LOAN PORTFOLIO - Loan Modifications are Considered TDRs (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	254	211
Pre-Modification Outstanding Recorded Investment	$ 27,605	$ 43,416
Post-Modification Outstanding Recorded Investment	$ 25,459	$ 43,419
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	4	3
Pre-Modification Outstanding Recorded Investment	$ 107	$ 2,597
Post-Modification Outstanding Recorded Investment	$ 106	$ 2,582
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	3	3
Pre-Modification Outstanding Recorded Investment	$ 22,510	$ 36,746
Post-Modification Outstanding Recorded Investment	$ 20,334	$ 36,758
Other Loans [Member] \| Residential Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	29	24
Pre-Modification Outstanding Recorded Investment	$ 3,178	$ 2,608
Post-Modification Outstanding Recorded Investment	$ 3,191	$ 2,614
Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	148	136
Pre-Modification Outstanding Recorded Investment	$ 692	$ 785
Post-Modification Outstanding Recorded Investment	$ 710	$ 785
Construction Loans [Member] \| Commercial Portfolio Segment [Member] \| Residential [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Construction Loans [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Construction Loans [Member] \| Commercial Portfolio Segment [Member] \| Land [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	1	0
Pre-Modification Outstanding Recorded Investment	$ 12	$ 0
Post-Modification Outstanding Recorded Investment	$ 12	$ 0
Consumer Auto Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	62	45
Pre-Modification Outstanding Recorded Investment	$ 947	$ 680
Post-Modification Outstanding Recorded Investment	$ 947	$ 680
Finance leases loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	7
Pre-Modification Outstanding Recorded Investment	$ 159
Post-Modification Outstanding Recorded Investment	$ 159

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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