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Leases - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2024 | Dec. 31, 2023
Lessee, Lease, Description [Line Items] |  |  |
Weighted average remaining lease term |  | 5 years 7 months 6 days |
Weighted-average discount rate |  | 6.00% |
Cash payments to settle a lease liability reported in cash flows |  | $ 1,300 |
Right-of-use assets obtained in exchange for new lease liabilities |  | 2,000 |
Contract termination fees |  | 3,530 | $ 5,015
Real Estate Rationalization |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Contract termination fees |  | $ 1,183 | 1,885
Chicago Office | Real Estate Rationalization |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Contract termination fees | $ 1,400 |  |
Gain on rent concession and tenant improvement allowances | $ 300 |  | $ 300
Brussels Office |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Term of contract |  | 9 years |

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