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Recapitalization - Shares Issued Immediately Following the Consummation of the Business Combination (Details) - shares | Aug. 16, 2021 | Aug. 12, 2021 | Dec. 31, 2021 | Aug. 15, 2021 | Dec. 31, 2020
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Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Class A common stock, outstanding (in shares) | 154,404,302 |  | 155,137,237 |  | 101,286,645
Legacy AEye shares (in shares) | 122,509,667 |  |  |  |
CF III |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Class A common stock, outstanding (in shares) |  |  |  | 23,000,000 |
Less: redemption of CF III Class A common stock (in shares) |  | 19,355,365 |  |  |
AEye Technologies |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Business Combination and PIPE shares (in shares) | 31,894,635 |  |  |  |
Legacy AEye shares (in shares) | 122,509,667 |  |  |  |
AEye Technologies | Common Shareholders |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Business Combination and PIPE shares (in shares) | 3,644,635 |  |  |  |
AEye Technologies | Founder shares |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Business Combination and PIPE shares (in shares) | 5,750,000 |  |  |  |
AEye Technologies | Private Placement |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Business Combination and PIPE shares (in shares) | 500,000 |  |  |  |
AEye Technologies | Shares issued in PIPE |  |  |  |  |
Schedule Of Reverse Recapitalization [Line Items] |  |  |  |  |
Business Combination and PIPE shares (in shares) | 22,000,000 |  |  |  |

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