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Acquisitions - Additional Information (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 31, 2020 | Nov. 30, 2021 | Jan. 31, 2020 | Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 793,080 | $ 793,892 |
Revenues |  |  | $ 36,785 |  | $ 472,369 | 810,023 | $ 712,295 |
Silver Lake Transaction [Member] |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Fair value of consideration transferred | $ 1,575,958 |  |  |  |  |  |  |
Closing costs & transaction expenses |  |  |  |  |  |  |  | $ 31,800
Current assets | 145,277 |  | 145,277 |  |  |  |  |
Current liabilities | $ (71,496) |  | $ (71,496) |  |  |  |  |
Form I-9 Compliance |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Fair value of consideration transferred |  |  |  |  |  | 19,087 |  |
Cash, net of cash acquired |  |  |  |  |  | 19,800 |  |
Current assets |  |  |  |  |  | 1,151 |  |
Current liabilities |  |  |  |  |  | $ (325) |  |
March2021 U K Acquisition |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Cash, net of cash acquired |  |  |  | $ 7,600 |  |  |  |
Goodwill |  |  |  | 3,100 |  |  |  |
Intangible assets |  |  |  | $ 3,000 |  |  |  |
Corporate Screening [Member] |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Cash, net of cash acquired |  | $ 39,400 |  |  |  |  |  |
Business acquisition, Percentage acquired |  | 100.00% |  |  |  |  |  |
Goodwill |  | $ 22,200 |  |  |  |  |  |
Intangible assets |  | 15,500 |  |  |  |  |  |
Customer Related Intangible Assets Current |  | $ 11,800 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 13 years |  |  |  |  |  |
Current assets |  | $ 2,900 |  |  |  |  |  |
Current liabilities |  | (1,600) |  |  |  |  |  |
Corporate Screening [Member] | Developed Technology Rights [Member] |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Intangible assets |  | $ 3,600 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 5 years |  |  |  |  |  |

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