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Transactions - Allocation of Acquisition Cost (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Aug. 01, 2022 | Oct. 01, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Purchase consideration: |  |  |  |  |
Cash |  |  | $ 248,111 | $ 49,012 | $ 300
Liabilities assumed: |  |  |  |  |
Goodwill |  |  | $ 722,774 | $ 426,297 | $ 349,029
IPG |  |  |  |  |
Purchase consideration: |  |  |  |  |
Cash | $ 256,488 |  |  |  |
Fair value of Class A common stock issued | 130,175 |  |  |  |
Fair value of contingent consideration | 75,000 |  |  |  |
Total consideration | 461,663 |  |  |  |
Tangible assets acquired: |  |  |  |  |
Accounts receivable | 34,155 |  |  |  |
Prepaid expenses and other current assets | 636 |  |  |  |
Other non-current assets | 1,393 |  |  |  |
Total tangible assets acquired | 36,184 |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets | 195,700 |  |  |  |
Liabilities assumed: |  |  |  |  |
Accounts payable | 7,997 |  |  |  |
Accrued liabilities | 8,083 |  |  |  |
Accrued compensation and employee benefits | 423 |  |  |  |
Deferred tax liabilities, net | 48,671 |  |  |  |
Deferred revenue | 321 |  |  |  |
Operating lease liabilities | 1,323 |  |  |  |
Total liabilities assumed | 66,818 |  |  |  |
Goodwill | 296,597 |  |  |  |
Net assets acquired | 461,663 |  |  |  |
IPG | Customer relationships |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets | 154,000 |  |  |  |
IPG | Technology |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets | 23,900 |  |  |  |
IPG | Corporate trade name |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets | $ 17,800 |  |  |  |
Vital Decisions |  |  |  |  |
Purchase consideration: |  |  |  |  |
Cash |  | $ 46,500 |  |  |
Fair value of Class A common stock issued |  | 56,626 |  |  |
Fair value of contingent consideration |  | 14,600 |  |  |
Total consideration |  | 117,726 |  |  |
Tangible assets acquired: |  |  |  |  |
Cash and cash equivalents |  | 1,430 |  |  |
Accounts receivable |  | 3,301 |  |  |
Prepaid expenses and other current assets |  | 78 |  |  |
Other non-current assets |  | 2,564 |  |  |
Total tangible assets acquired |  | 7,373 |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets |  | 40,000 |  |  |
Liabilities assumed: |  |  |  |  |
Accounts payable |  | 93 |  |  |
Accrued liabilities |  | 661 |  |  |
Accrued compensation and employee benefits |  | 970 |  |  |
Deferred tax liabilities, net |  | 499 |  |  |
Deferred revenue |  | 2,000 |  |  |
Operating lease liabilities |  | 2,712 |  |  |
Total liabilities assumed |  | 6,935 |  |  |
Goodwill |  | 77,288 |  |  |
Net assets acquired |  | 117,726 |  |  |
Vital Decisions | Customer relationships |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets |  | 32,500 |  |  |
Vital Decisions | Technology |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets |  | 5,000 |  |  |
Vital Decisions | Corporate trade name |  |  |  |  |
Identifiable intangible assets acquired: |  |  |  |  |
Identifiable intangible assets |  | $ 2,500 |  |  |

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