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DERIVATIVE FINANCIAL INSTRUMENTS - (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) item | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Derivative Financial Instruments |  |  |
Net impact | $ 14,000 |  |
Asset pledged |  |  |
Derivative Financial Instruments |  |  |
Available-for-sale securities pledged as collateral | 2,259,000 |  |
Interest rate swap agreements |  |  |
Derivative Financial Instruments |  |  |
Aggregate notional amount | 155,214,000 | $ 123,094,000 |
One Interest rate Swap Originated |  |  |
Derivative Financial Instruments |  |  |
Aggregate notional amount | $ 24,000,000 | 0 |
Number of derivative instruments originated | item | 1 |  |
One Interest rate Swap Originated | Non interest income |  |  |
Derivative Financial Instruments |  |  |
Fee income | $ 290,000 |  |
RPA Out |  |  |
Derivative Financial Instruments |  |  |
Asset Derivatives, Notional Amount | 7,200,000 | 0 |
Asset Derivatives, Fair Value | 0 | 0 |
Liability Derivatives, Notional Amount | 0 | 0 |
Liability Derivatives, Fair Value | 0 | 0 |
RPA In |  |  |
Derivative Financial Instruments |  |  |
Asset Derivatives, Notional Amount | 0 | 0 |
Asset Derivatives, Fair Value | 0 | 0 |
Liability Derivatives, Notional Amount | 10,000,000 | 0 |
Liability Derivatives, Fair Value | 19,000 | 0 |
Derivatives not designated as hedging instruments |  |  |
Derivative Financial Instruments |  |  |
Asset Derivatives, Notional Amount | 77,607,000 | 61,547,000 |
Asset Derivatives, Fair Value | 3,638,000 | 3,104,000 |
Liability Derivatives, Notional Amount | 77,607,000 | 61,547,000 |
Liability Derivatives, Fair Value | 3,638,000 | 3,104,000 |
Derivatives not designated as hedging instruments | Interest rate swap agreements |  |  |
Derivative Financial Instruments |  |  |
Interest rate swap | 0 |  |
Increase (decrease) in interest income | $ 342,000 | $ 1,347,000 | $ 698,000

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- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 210 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI https://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 210 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=127002003&loc=SL6242269-115581 + Details
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