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INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes [Line Items] |  |  |  |
Probability of benefit realized upon settlement uncertain tax position | 50.00% |  |  |
(Loss) income before taxes from U.S. operations | $ (311,000) | $ (318,900) | $ (315,700) |
Income before taxes from foreign operations | 1,500 | 700 | 1,800 |
Valuation allowance | 558,794 | 525,703 |  |
Net operating loss carryforwards | 434,100 |  |  |
Research and development credit carryforward | 91,400 |  |  |
Unrecognized tax benefits | 17,676 | 14,554 | $ 10,410 | $ 8,335
Accrued interest or penalties | 0 | $ 0 |  |
Federal |  |  |  |
Income Taxes [Line Items] |  |  |  |
Net operating loss carryforwards | 1,704,200 |  |  |
Research and development credit carryforward | 64,400 |  |  |
Operating loss carryforwards, subject to expiration | 783,200 |  |  |
State |  |  |  |
Income Taxes [Line Items] |  |  |  |
Net operating loss carryforwards | 1,170,600 |  |  |
Research and development credit carryforward | $ 54,600 |  |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-10A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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