LOANS AND ALLOWANCE FOR LOAN LOSSES - Schedule of Number of Loans Modified (Detail)	12 Months Ended
Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($) contract	Dec. 31, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items]
Pre- Modification Investment Balance		$ 0
Post- Modification Investment Balance		$ 0
Commercial Real Estate \| Owner-occupied
Financing Receivable, Modifications [Line Items]
Number of Contracts \| contract	3	3	2
Pre- Modification Investment Balance	$ 1,900,000	$ 1,866,000	$ 119,000
Post- Modification Investment Balance		$ 1,881,000	$ 119,000

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

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