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CONVERTIBLE NOTES - Schedule of Interest Expense (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Feb. 29, 2020 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |
Debt issuance costs amortization |  |  | $ 5,350 | $ 5,727 | $ 5,727
Debt discount amortization |  |  | 106 | 147 | 147
Gain on settlement of convertible notes | $ 17,700 | $ 50,800 | (10,324) | 0 | 0
Coupon interest expense |  |  | 18,072 | 10,266 | 10,266
Total interest expense on convertible notes |  |  | $ 13,204 | $ 16,140 | $ 16,140
2025 Convertible notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective interest rate |  |  | 1.17% | 1.18% | 1.18%
Convertible debt, remaining discount amortization period |  |  | 1 year 14 days |  |
2027 Convertible notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective interest rate |  |  | 0.67% | 0.68% | 0.68%
Convertible debt, remaining discount amortization period |  |  | 3 years 2 months 15 days |  |
2028 Convertible notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective interest rate |  |  | 0.63% | 0.64% | 0.64%
Convertible debt, remaining discount amortization period |  |  | 4 years 2 months 1 day |  |
Convertible Notes Payable2030 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Effective interest rate |  |  | 2.09% | 0.00% | 0.00%
Convertible debt, remaining discount amortization period |  |  | 6 years 2 months 1 day |  |

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-1A Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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