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FINANCIAL INSTRUMENTS - Schedule of Available-For-Sale Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value Measurements |  |
Cost | $ 134,465 | $ 222,515
Gross Unrealized Gains | 0 | 25
Gross Unrealized Losses | (509) | (819)
Fair Value (Level 2) | 133,956 | 221,721
Current: |  |
Fair Value Measurements |  |
Cost |  | 185,233
Gross Unrealized Gains |  | 23
Gross Unrealized Losses |  | (744)
Fair Value (Level 2) |  | 184,512
Noncurrent: |  |
Fair Value Measurements |  |
Cost |  | 37,282
Gross Unrealized Gains |  | 2
Gross Unrealized Losses |  | (75)
Fair Value (Level 2) |  | 37,209
Asset-backed securities | Current: |  |
Fair Value Measurements |  |
Cost | 5,972 | 6,836
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (16) | (3)
Fair Value (Level 2) | 5,956 | 6,833
Commercial paper | Current: |  |
Fair Value Measurements |  |
Cost | 49,007 | 134,423
Gross Unrealized Gains | 0 | 23
Gross Unrealized Losses | (99) | (386)
Fair Value (Level 2) | 48,908 | 134,060
U.S. federal agency bonds | Current: |  |
Fair Value Measurements |  |
Cost | 64,789 | 41,971
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (314) | (337)
Fair Value (Level 2) | 64,475 | 41,634
U.S. federal agency bonds | Noncurrent: |  |
Fair Value Measurements |  |
Cost |  | 22,783
Gross Unrealized Gains |  | 2
Gross Unrealized Losses |  | (66)
Fair Value (Level 2) |  | 22,719
U.S. government bonds | Current: |  |
Fair Value Measurements |  |
Cost | 14,697 | 2,003
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (80) | (18)
Fair Value (Level 2) | $ 14,617 | 1,985
U.S. government bonds | Noncurrent: |  |
Fair Value Measurements |  |
Cost |  | 14,499
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | (9)
Fair Value (Level 2) |  | $ 14,490

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