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Leases - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024 | Jun. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2022
Lessee, Lease, Description [Line Items] |  |  |  |  |
Weighted average remaining lease term | 5 years 3 months 18 days | 5 years 2 months 12 days |  |  |
Weighted-average discount rate | 5.00% | 6.00% |  |  |
Contract termination fees | $ 5,015 | $ 1,782 |  |  | $ 3,596
Real Estate Rationalization |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Contract termination fees | 1,885 | $ 525 |  |  | $ 0
Brussels Office |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Term of contract |  |  | 9 years |  |
Brussels Office | Real Estate Rationalization |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Contract termination fees |  |  |  | $ 300 |
Gain (loss) on rent concession and tenant improvement allowances | (100) |  |  |  |
Chicago Office | Real Estate Rationalization |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Contract termination fees | 1,400 |  |  |  |
Gain (loss) on rent concession and tenant improvement allowances | $ 300 |  |  |  |
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Renewal terms to extend the lease |  | 1 year |  |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Renewal terms to extend the lease |  | 5 years |  |  |
Real Estate | Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease terms |  | 2 years |  |  |
Real Estate | Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease terms |  | 9 years |  |  |
Automobiles | Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease terms |  | 1 year |  |  |
Automobiles | Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease terms |  | 5 years |  |  |

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