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Acquisitions (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Apr. 01, 2023 | Feb. 01, 2023 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  |  |  |  |  | $ 0 | $ 37,953
Goodwill |  |  | $ 202,252 |  |  |  | $ 185,400 |
Atreus |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  | $ 12,100 |  |  | $ 33,400 |  |
Future consideration, minimum |  | $ 30,000 |  |  |  |  |  |
Future consideration, maximum |  | 40,000 |  |  |  |  |  |
Goodwill |  | 62,400 |  |  |  |  |  |
Atreus | Earnout | Fair Value, Inputs, Level 3 |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition earnout accrued |  | 32,000 |  |  |  |  |  |
Atreus | Client relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles acquired |  | 11,300 |  |  |  |  |  |
Atreus | Software |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles acquired |  | 5,400 |  |  |  |  |  |
Atreus | Trade name |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles acquired |  | $ 2,500 |  |  |  |  |  |
BusinessFourZero |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  |  | $ 2,200 | $ 9,500 |  |  |
Future consideration, minimum | $ 4,000 |  |  |  |  |  |  |
Future consideration, maximum | 8,000 |  |  |  |  |  |  |
Goodwill | 7,100 |  |  |  |  |  |  |
BusinessFourZero | Earnout | Fair Value, Inputs, Level 3 |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition earnout accrued | 4,300 |  |  |  |  |  |  |
BusinessFourZero | Client relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles acquired | 3,500 |  |  |  |  |  |  |
BusinessFourZero | Trade name |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles acquired | $ 500 |  |  |  |  |  |  |

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