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INVESTMENT SECURITIES - Allowance for credit losses of held to maturity securities by major security type (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE | $ 37,000 |
PROVISION (RECOVERY) | 52,000 | $ (77,000)
ENDING BALANCE | 89,000 | 37,000
Cumulative effect adjustment for adoption of ASC 326 |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE |  | 114,000
Municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE | 2,000 |
PROVISION (RECOVERY) |  | (1,000)
ENDING BALANCE | 2,000 | 2,000
Municipal | Cumulative effect adjustment for adoption of ASC 326 |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE |  | 3,000
Corporate bonds and other securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE | 35,000 |
PROVISION (RECOVERY) | 52,000 | (76,000)
ENDING BALANCE | $ 87,000 | 35,000
Corporate bonds and other securities | Cumulative effect adjustment for adoption of ASC 326 |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
BEGINNING BALANCE |  | $ 111,000

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- Definition Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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