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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Summary of compensation expense and related income tax benefit related to the stock-based compensation expense recognized | The following table summarizes the compensation expense and related income tax benefit related to the Company’s stock-based compensation arrangements recognized in the accompanying condensed consolidated statements of operations during the three and six months ended June 30, 2023 and 2024 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2023 |  | 2024 |  | 2023 |  | 2024
Stock-based compensation expense, net of $0 tax in 2023 and 2024 | ​ | $ | 6,093 | ​ | $ | 2,862 | ​ | $ | 12,189 | ​ | $ | 5,491
Amazon Warrant |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Schedule of warrant activity | The following table summarizes the Amazon Warrant activities for the six months ended June 30, 2024:
​ | ​ | ​
​ | ​ | Warrant
​ |  | Shares
Outstanding and unvested as of December 31, 2023 |  | 37,613,035
Granted |  | —
Vested |  | (3,526,224)
Outstanding and unvested as of June 30, 2024 |  | 34,086,811

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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