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Acquisitions - Schedule of Provisional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 30, 2021 | Jun. 18, 2021 | Apr. 07, 2021 | Apr. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |
Plus: Cash paid at closing |  |  |  |  | $ 419,404 | $ 37,000 | $ 0
Goodwill |  |  |  |  | 527,115 | $ 211,083 |
Trapelo Health |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Common stock issued (in shares) |  |  | 597,712 | 597,712 |  |  |
Share price (in dollars per share) |  |  | $ 48.81 |  |  |  |
Common stock issued for consideration |  |  | $ 29,174 |  |  |  |
Plus: Cash paid at closing |  |  | 35,591 |  |  |  |
Purchase price |  |  | 64,765 |  |  |  |
Cash and cash equivalents acquired |  |  | 713 |  |  |  |
Other current assets |  |  | 282 |  |  |  |
Other long-term assets |  |  | 268 |  |  |  |
Total identifiable assets acquired |  |  | 20,852 |  |  |  |
Current liabilities |  |  | (751) |  |  |  |
Net identifiable assets acquired |  |  | 20,101 |  |  |  |
Goodwill |  |  | 44,664 |  |  |  |
Total purchase consideration |  |  | 64,765 |  |  |  |
Inivata |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Plus: Cash paid at closing |  | $ 398,594 |  |  |  |  |
Fair value of Line of Credit |  | 15,000 |  |  |  |  |
Purchase price |  | 413,594 |  |  |  |  |
Measurement period adjustments, fair value of previously-held equity interest |  | 1,987 |  |  |  |  |
Fair value of previously-held equity interest | $ 64,900 | 64,906 |  |  |  |  |
Measurement period adjustments, fair value of Purchase Option |  | 15,763 |  |  |  |  |
Fair value of Purchase Option | $ 74,300 | 74,300 |  |  |  |  |
Measurement period adjustments, net assets acquired |  | 17,750 |  |  | $ 17,800 |  |
Total fair value of business combination |  | 552,800 |  |  |  |  |
Cash and cash equivalents acquired |  | 14,068 |  |  |  |  |
Measurement period adjustments, other current assets |  | 345 |  |  |  |  |
Other current assets |  | 5,711 |  |  |  |  |
Property and equipment |  | 1,753 |  |  |  |  |
Other long-term assets |  | 6,240 |  |  |  |  |
Measurement period adjustments, total identifiable assets acquired |  | (11,424) |  |  |  |  |
Total identifiable assets acquired |  | 353,007 |  |  |  |  |
Measurement period adjustments, current liabilities |  | (1,650) |  |  |  |  |
Current liabilities |  | (5,891) |  |  |  |  |
Measurement period adjustments, deferred income tax liabilities |  | 3,686 |  |  |  |  |
Deferred income tax liabilities |  | (60,994) |  |  |  |  |
Other long-term liabilities |  | (4,690) |  |  |  |  |
Measurement period adjustments, net identifiable assets acquired |  | (9,388) |  |  |  |  |
Net identifiable assets acquired |  | 281,432 |  |  |  |  |
Measurement period adjustments, goodwill |  | 27,138 |  |  |  |  |
Goodwill |  | 271,368 |  |  |  |  |
Total purchase consideration |  | 552,800 |  |  |  |  |
Inivata | Previously Reported |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Plus: Cash paid at closing |  | 398,594 |  |  |  |  |
Fair value of Line of Credit |  | 15,000 |  |  |  |  |
Purchase price |  | 413,594 |  |  |  |  |
Fair value of previously-held equity interest |  | 62,919 |  |  |  |  |
Fair value of Purchase Option |  | 58,537 |  |  |  |  |
Total fair value of business combination |  | 535,050 |  |  |  |  |
Cash and cash equivalents acquired |  | 14,068 |  |  |  |  |
Other current assets |  | 5,366 |  |  |  |  |
Property and equipment |  | 1,753 |  |  |  |  |
Other long-term assets |  | 6,240 |  |  |  |  |
Total identifiable assets acquired |  | 364,431 |  |  |  |  |
Current liabilities |  | (4,241) |  |  |  |  |
Deferred income tax liabilities |  | (64,680) |  |  |  |  |
Other long-term liabilities |  | (4,690) |  |  |  |  |
Net identifiable assets acquired |  | 290,820 |  |  |  |  |
Goodwill |  | 244,230 |  |  |  |  |
Total purchase consideration |  | 535,050 |  |  |  |  |
Marketing Assets | Trapelo Health |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  |  | 549 |  |  |  |
Identifiable intangible assets - developed technology | Trapelo Health |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  |  | $ 19,040 |  |  |  |
Identifiable intangible assets - developed technology | Inivata |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Measurement period adjustments, identifiable intangible assets |  | (11,796) |  |  |  |  |
Intangible assets |  | 291,186 |  |  |  |  |
Identifiable intangible assets - developed technology | Inivata | Previously Reported |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  | 302,982 |  |  |  |  |
Trademarks | Inivata |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Measurement period adjustments, identifiable intangible assets |  | (226) |  |  |  |  |
Intangible assets |  | 31,474 |  |  |  |  |
Trademarks | Inivata | Previously Reported |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  | 31,700 |  |  |  |  |
Trade Name | Inivata |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Measurement period adjustments, identifiable intangible assets |  | 253 |  |  |  |  |
Intangible assets |  | 2,575 |  |  |  |  |
Trade Name | Inivata | Previously Reported |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets |  | $ 2,322 |  |  |  |  |

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