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Stock-Based Compensation - Schedule of ESPP Share Activity (Details) - shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024
ESPP share activity |  |  |  |  |  |  |
Purchases (in shares) | (27,799) | (30,337) | (40,322) | (37,407) | (34,283) | (45,232) |
Available for future purchases, ending balance (in shares) | 1,481,374 |  |  |  |  |  | 1,481,374
2019 Employee Stock Purchase Plan |  |  |  |  |  |  |
ESPP share activity |  |  |  |  |  |  |
Additional shares reserved under 2019 ESPP (in shares) |  |  |  |  |  |  | 87,645
Employee Stock Purchase Plan |  |  |  |  |  |  |
ESPP share activity |  |  |  |  |  |  |
Available for future purchases, beginning balance (in shares) |  |  | 242,292 |  |  |  | 242,292
Purchases (in shares) |  |  |  |  |  |  | (98,458)
Available for future purchases, ending balance (in shares) | 231,479 |  |  |  |  |  | 231,479

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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