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FAIR VALUE MEASUREMENTS - Schedule of Fair Value (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Fair value measurements |  |  |
Total cash and cash equivalents | $ 605,378 | $ 242,493 |
Equity securities | 3,841 | 5,149 |
Non-marketable securities | 7,650 | 10,065 | $ 3,090
Purchases of non-marketable securities | 6,957 | 10,000 |
Changes in fair value | 1,127 | 1,038 |
Settlements | (10,499) |  |
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | 4,314 | 779 |
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount | (4,250) | (10,821) |
Other Investment Not Readily Marketable, Fair Value | 45,968 | 39,842 |
Fair Value, Recurring |  |  |
Fair value measurements |  |  |
Equity securities | 3,841 | 5,149 |
Non-marketable securities | 7,650 | 10,065 |
Contingent consideration | (288,657) | (306,927) |
Total | 500,934 | 335,492 |
Fair Value, Recurring | MDxHealth |  |  |
Fair value measurements |  |  |
Equity securities |  | 4,600 |
Fair Value, Recurring | Corporate bonds |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 55,828 | 114,671 |
Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 56,716 | 225,223 |
Fair Value, Recurring | Asset backed securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 34,897 | 44,521 |
Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 20,984 |  |
Fair Value, Recurring | Cash and money market |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 530,100 | 178,168 |
Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 72,243 | 63,021 |
Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 3,035 | 1,304 |
Fair Value, Recurring | Restricted cash (1) |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 4,297 | 297 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring |  |  |
Fair value measurements |  |  |
Equity securities | 3,841 | 5,149 |
Non-marketable securities | 0 | 0 |
Contingent consideration | 0 | 0 |
Total | 538,238 | 183,614 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Corporate bonds |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Asset backed securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Cash and money market |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 530,100 | 178,168 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring | Restricted cash (1) |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 4,297 | 297 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring |  |  |
Fair value measurements |  |  |
Equity securities | 0 | 0 |
Non-marketable securities | 0 | 0 |
Contingent consideration | 0 | 0 |
Total | 243,703 | 448,740 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Corporate bonds |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 55,828 | 114,671 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 56,716 | 225,223 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Asset backed securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 34,897 | 44,521 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 20,984 |  |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Cash and money market |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 72,243 | 63,021 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 3,035 | 1,304 |
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring | Restricted cash (1) |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring |  |  |
Fair value measurements |  |  |
Equity securities | 0 | 0 |
Non-marketable securities | 7,650 | 10,065 |
Contingent consideration | (288,657) | (306,927) |
Total | (281,007) | (296,862) |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Corporate bonds |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Asset backed securities |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Estimated Fair Value | 0 |  |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Cash and money market |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Commercial paper |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | U.S. government agency securities |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | 0 | 0 |
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Restricted cash (1) |  |  |
Fair value measurements |  |  |
Total cash and cash equivalents | $ 0 | $ 0 |

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