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Commitments and Contingencies (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Apr. 01, 2024 patent | Mar. 28, 2024 patent | Mar. 19, 2024 patent | Mar. 13, 2024 USD ($) | Aug. 25, 2023 director entity | Mar. 19, 2021 entity director
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Outstanding letter of credit | $ 1,400 | $ 1,400 |  |  |  |  |  |
Insurance receivable | 23,375 | 23,375 |  |  |  |  |  |
Hesai Photonics |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of patents under review | patent |  |  | 4 | 4 | 4 |  |  |
Number of patents | patent |  |  | 5 | 5 | 5 |  |  |
Nick v. Velodyne Lidar, Inc., et al. |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of directors filed against | director |  |  |  |  |  |  |  | 2
Number of other entities filed against in lawsuits | entity |  |  |  |  |  |  |  | 3
Moradpour v. Velodyne Lidar, Inc., et al. |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Payment of litigation settlement, estimated amount |  |  |  |  |  | $ 27,500 |  |
Estimated funds from insurance proceeds |  |  |  |  |  | $ 23,400 |  |
Litigation settlement, estimated payable |  | 27,500 |  |  |  |  |  |
Insurance receivable |  | 23,400 |  |  |  |  |  |
Settlement expense |  | $ 4,100 |  |  |  |  |  |
Payments for Legal Settlements | $ 4,100 |  |  |  |  |  |  |
Berger v. Graf Acquisition, LLC, et al. |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of directors filed against | director |  |  |  |  |  |  | 6 |
Number of other entities filed against in lawsuits | entity |  |  |  |  |  |  | 2 |

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