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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Loans and Leases by Class Modified as Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) loan	Mar. 31, 2018 USD ($) loan
Commercial
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	0
Pre- Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	$ 0
Commercial | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans | loan	0	2
Post-Modification Outstanding Recorded Investment	$ 0	$ 163
Consumer
Financing Receivable, Modifications [Line Items]
Number of Loans | loan		2
Pre- Modification Outstanding Recorded Investment		$ 171
Post-Modification Outstanding Recorded Investment		$ 163
Consumer | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans | loan		2
Pre- Modification Outstanding Recorded Investment		$ 171
Post-Modification Outstanding Recorded Investment		$ 163

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

+ References

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-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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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
-Paragraph 33
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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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-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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