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FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |
Contingent consideration liability, measurement input |  | 0.080 | 0.075 | 0.066 | 0.074 |  | 0.066 | 0.080 | 0.084 |
License agreement, royalty rate | 2.00% | 2.00% |  |  |  | 2.00% |  | 2.00% |  |
Change in fair value included in loss | $ (37,300) | $ (4,600) | $ (114,000) | $ 13,600 | $ 48,160 | $ (50,200) | $ 61,760 | $ (56,840) | $ (11,180) | $ 71,620
Discount Rate |  |  |  |  |  |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |
Weighted-average cost of capital |  | 9.30% | 8.60% | 6.80% | 7.80% |  | 6.80% | 9.30% | 8.80% |
Discount Rate | Minimum |  |  |  |  |  |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |
Contingent consideration liability, measurement input | 0.102 | 0.080 |  |  |  | 0.102 |  | 0.080 | 0.084 |
Discount Rate | Maximum |  |  |  |  |  |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |
Contingent consideration liability, measurement input |  | 0.093 |  |  |  |  |  | 0.093 | 0.088 |

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