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INVESTMENT SECURITIES (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items] |  |  |
Money market investments | $ 7,107 | $ 4,674 | $ 6,670
Accrued interest receivable | 70,029 |  | 71,667
Accrued interest receivable on modified loans | 0 |  | 127
Securitized GNMA pools retained, amortized cost | $ 19,700 | $ 17,400 |
Securitized GNMA pool retained, yield | 4.63% | 5.05% |
Proceeds from sale of available for sale securities | $ 0 |  |
US Treasury securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Proceeds from sale of available for sale securities |  | $ 149,413 |
Gross Losses |  | $ 7 |
OIB |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Restricted cash | 775 |  | 525
Oriental Overseas |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Restricted cash | 525 |  | 525
Asset Pledged as Collateral |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Pledged assets | 1,567,000 |  | 1,564,000
Asset Pledged as Collateral | Public Funds |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Pledged assets | 1,524,000 |  | 1,440,000
Debt Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Accrued interest receivable | $ 11,100 |  | $ 10,800

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- Definition Amount of realized loss on 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 -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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