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INVESTMENTS - Amortized cost, gross unrealized gains and losses, allowance for credit losses, and fair value (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Investment securities available for sale: |  |
Amortized Cost | $ 11,140 | $ 10,797
Gross Unrealized Gain | 14 |
Gross Unrealized Loss | (1) | (8)
Allowance For Credit Losses | 0 | 0
Fair Value | 11,153 | 10,789
Commercial paper |  |
Investment securities available for sale: |  |
Amortized Cost | 4,920 | 7,169
Gross Unrealized Loss |  | (1)
Fair Value | 4,920 | 7,168
Corporate bonds |  |
Investment securities available for sale: |  |
Amortized Cost | 250 |
Fair Value | 250 |
U.S. Treasury securities |  |
Investment securities available for sale: |  |
Amortized Cost | 5,970 | 3,628
Gross Unrealized Gain | 14 |
Gross Unrealized Loss | (1) | (7)
Fair Value | $ 5,983 | $ 3,621

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- Definition Amount of unrealized gain 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/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount of unrealized 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/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount excluding accrued interest, of allowance for credit 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 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of 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 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
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