LOAN PORTFOLIO - Loan Modifications are Considered TDRs (Detail) - Entity Loan Modification Program [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	309	332	563	543
Pre-Modification Outstanding Recorded Investment	$ 7,197	$ 13,628	$ 34,802	$ 57,044
Post-Modification Outstanding Recorded Investment	$ 6,961	$ 13,228	$ 32,420	$ 56,647
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	2	3	6	6
Pre-Modification Outstanding Recorded Investment	$ 96	$ 3,453	$ 203	$ 6,050
Post-Modification Outstanding Recorded Investment	$ 96	$ 3,128	$ 202	$ 5,710
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	3	2	6	5
Pre-Modification Outstanding Recorded Investment	$ 520	$ 5,765	$ 23,030	$ 42,511
Post-Modification Outstanding Recorded Investment	$ 520	$ 5,765	$ 20,854	$ 42,523
Other Loans Member [Member] \| Residential Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	37	19	66	43
Pre-Modification Outstanding Recorded Investment	$ 4,174	$ 2,034	$ 7,352	$ 4,642
Post-Modification Outstanding Recorded Investment	$ 3,974	$ 1,934	$ 7,165	$ 4,548
Other Loans Member [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	174	231	322	367
Pre-Modification Outstanding Recorded Investment	$ 841	$ 1,034	$ 1,533	$ 1,819
Post-Modification Outstanding Recorded Investment	$ 843	$ 1,065	$ 1,553	$ 1,850
Construction Loans [Member] \| Commercial Portfolio Segment [Member] \| Land [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	3	1	4	1
Pre-Modification Outstanding Recorded Investment	$ 106	$ 97	$ 118	$ 97
Post-Modification Outstanding Recorded Investment	$ 105	$ 97	$ 117	$ 97
Consumer Auto Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	76	76	138	121
Pre-Modification Outstanding Recorded Investment	$ 1,175	$ 1,245	$ 2,122	$ 1,925
Post-Modification Outstanding Recorded Investment	$ 1,141	$ 1,239	$ 2,088	$ 1,919
Finance Lease [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of Contracts \| numberofcontracts	14		21
Pre-Modification Outstanding Recorded Investment	$ 285		$ 444
Post-Modification Outstanding Recorded Investment	$ 282		$ 441

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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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