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SECURITIES AVAILABLE FOR SALE - Narrative (Details)	9 Months Ended
	Sep. 30, 2019 security
US Government-sponsored enterprises
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions (security)	172
Available for sale securities portfolio, number of securities (security)	702
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage)	1.40%
US Government agency
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions (security)	46
Available for sale securities portfolio, number of securities (security)	190
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage)	1.00%
Private label
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions (security)	9
Available for sale securities portfolio, number of securities (security)	20
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage)	1.90%
Obligations of states and political subdivisions thereof
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions (security)	9
Available for sale securities portfolio, number of securities (security)	219
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage)	2.50%
Corporate bonds
Investment Holdings [Line Items]
Available-for-sale, securities in unrealized loss positions (security)	7
Available for sale securities portfolio, number of securities (security)	26
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage)	3.00%

X

- Definition

Represents the aggregate unrealized losses, expressed as a percentage of the amortized cost of the securities in a continuous unrealized loss position categorized as held-to-maturity and available-for-sales securities.

+ References

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- Definition

Represents the number of securities in the entity's portfolio of available-for-sale securities.

+ References

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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