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CASH, CASH EQUIVALENTS AND INVESTMENTS - Schedule of Investments (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
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Short-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | $ 469,774 | $ 490,170
Available-for-sale Securities, Gross Unrealized Gains | 2 | 32
Available-for-sale Securities, Gross Unrealized Losses | (4,097) | (5,857)
Available-for-sale Securities, Fair Value Disclosure | 465,679 | 484,345
Long-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 199,257 | 249,943
Available-for-sale Securities, Gross Unrealized Gains | 3 | 52
Available-for-sale Securities, Gross Unrealized Losses | (1,945) | (2,180)
Available-for-sale Securities, Fair Value Disclosure | 197,315 | 247,815
Corporate Bonds [Member] | Short-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 102,295 | 150,698
Available-for-sale Securities, Gross Unrealized Gains | 2 |
Available-for-sale Securities, Gross Unrealized Losses | (151) | (910)
Available-for-sale Securities, Fair Value Disclosure | 102,146 | 149,788
Corporate Bonds [Member] | Long-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 275 | 2,479
Available-for-sale Securities, Gross Unrealized Losses | (85) | (28)
Available-for-sale Securities, Fair Value Disclosure | 190 | 2,451
U.S. Government Bonds [Member] | Short-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 367,479 | 339,472
Available-for-sale Securities, Gross Unrealized Gains |  | 32
Available-for-sale Securities, Gross Unrealized Losses | (3,946) | (4,947)
Available-for-sale Securities, Fair Value Disclosure | 363,533 | 334,557
U.S. Government Bonds [Member] | Long-term Investments [Member] |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 198,982 | 247,464
Available-for-sale Securities, Gross Unrealized Gains | 3 | 52
Available-for-sale Securities, Gross Unrealized Losses | (1,860) | (2,152)
Available-for-sale Securities, Fair Value Disclosure | $ 197,125 | $ 245,364

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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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