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AVAILABLE-FOR-SALE INVESTMENTS - Investments by Major Security Type (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 99,234 | $ 167,602
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (642) | (237)
Total Fair Value | 98,592 | 167,365
Commercial Paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 32,997 | 76,961
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (241) | (31)
Total Fair Value | 32,756 | 76,930
Corporate Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 58,791 | 84,771
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (349) | (183)
Total Fair Value | 58,442 | 84,588
Municipal Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 7,446 | 5,870
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (52) | (23)
Total Fair Value | $ 7,394 | $ 5,847

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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