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MARKETABLE SECURITIES - Marketable Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Interest receivable | $ 1,700 | $ 1,200
Amortized Cost | 267,590 | 253,764
Gross Unrealized Gains | 324 | 71
Gross Unrealized Losses | (3,475) | (5,394)
Estimated Fair Market Value | 264,439 | 248,441
Investments due in 3 months or less: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 72,749 | 21,803
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (348) | (135)
Estimated Fair Market Value | 72,401 | 21,668
Investments due in 4-12 months: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 111,179 | 173,833
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (2,375) | (4,019)
Estimated Fair Market Value | 108,804 | 169,814
Investments due in 12 months or greater: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 83,662 | 58,128
Gross Unrealized Gains | 324 | 71
Gross Unrealized Losses | (752) | (1,240)
Estimated Fair Market Value | 83,234 | 56,959
Corporate securities | Investments due in 3 months or less: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 72,749 | 21,803
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (348) | (135)
Estimated Fair Market Value | 72,401 | 21,668
Corporate securities | Investments due in 4-12 months: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 111,179 | 173,833
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (2,375) | (4,019)
Estimated Fair Market Value | 108,804 | 169,814
Corporate securities | Investments due in 12 months or greater: |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 83,662 | 58,128
Gross Unrealized Gains | 324 | 71
Gross Unrealized Losses | (752) | (1,240)
Estimated Fair Market Value | $ 83,234 | $ 56,959

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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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- Definition Amount, before tax, of unrealized loss 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 (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amortized cost 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 -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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