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Acquisitions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2024 | Jan. 01, 2022 | Sep. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Cash, net of cash acquired |  |  | $ 41,000 |  |  |
Goodwill |  |  |  | $ 2,124,528 | $ 820,654 | $ 793,080
Deferred tax asset |  |  |  | 58,100 |  |
Compensation expense related to converted cash awards |  |  |  | 41,200 |  |
Accrued compensation |  |  |  | 52,805 | 16,379 |
Revenue |  |  |  | 860,205 | 763,761 | 810,023
Net Income (Loss) |  |  |  | (110,273) | 37,293 | 64,604
Form I-9 Compliance |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Cash, net of cash acquired |  | $ 19,800 |  |  |  |
Goodwill |  | 9,100 |  |  |  |
Intangible assets Acquired |  | 8,500 |  |  |  |
Customer Related Intangible Assets Current |  | $ 6,100 |  |  |  |
Useful life |  | 13 years |  |  |  |
Form I-9 Compliance | Developed Technology Rights [Member] |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Intangible assets Acquired |  | $ 2,400 |  |  |  |
Useful life |  | 5 years |  |  |  |
Sterling Check Corp [Member] |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Fair value of consideration transferred | $ 2,200,000 |  |  |  |  |
Goodwill |  |  |  | 1,306,893 | $ 0 | $ 0
Accrued compensation |  |  |  | 5,600 |  |
Share-based compensation |  |  |  | 4,400 |  |
Revenue |  |  |  | 113,100 |  |
Net Income (Loss) |  |  |  | 57,400 |  |
Sterling Check Corp [Member] | Merger Agreement [Member] |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Closing costs & transaction expenses |  |  |  | 100 |  |
Fair value of consideration transferred |  |  |  | 2,197,699 |  |
Stock Consideration | 0.979 |  |  |  |  |
Sale of Stock, Consideration Received Per Transaction |  |  |  | $ 494,600 |  |
Number of shares issued |  |  |  | 27,150,000 |  |
Total cash consideration |  |  |  | $ 1,168,100 |  |
Per share price | $ 16.73 |  |  |  |  |
Infinite ID [Member] |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |
Cash, net of cash acquired |  |  |  | 41,000 |  |
Fair value of consideration transferred |  |  |  | $ 41,097 |  |
Business acquisition, Percentage acquired |  |  |  | 100.00% |  |

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