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Stock-based Compensation - Employee Stock Purchase Plan (Details) - shares |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2023
Employee Stock |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Number of shares reserved for issuance (in shares) | 1,500,000 | 1,500,000 | 1,500,000
Number of sequential offering periods |  |  | 6 months
Number of shares used to calculate eligible employee's option to purchase shares (in shares) |  |  | 12,500
Number of shares fair value used to calculate eligible employee's option to purchase shares (in shares) |  |  | 1
Maximum number of shares granted to each employee during offering period (in shares) |  |  | 50,000
ESPP purchase price of common stock, percent of market price |  |  | 85.00%
ESPP discount percentage from market price, beginning of purchase period |  |  | 15.00%
Shares purchased by employees (in shares) | 0 | 0 |
Employee Stock, Purchase Period One |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Purchase period |  |  | 6 months
Employee Stock, Purchase Period Two |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Purchase period |  |  | 6 months

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