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Net Loss Per Share - Common Stock Equivalents Excluded from Calculation of Diluted Loss Per Share Attributable to Common Stockholders (Details) - shares | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Stock Options |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of loss per share amount | [1] | 3,436,263 | 3,424,418
Restricted Stock |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of loss per share amount | [1] | 2,325,322 | 1,777,958
Series A-2 |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of loss per share amount | [1] | 5,350,017 | 4,728,460
Stock Appreciation Rights (SARs) |  |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Antidilutive securities excluded from computation of loss per share amount | [1] | 3,000,000 | 3,000,000
[1] | Includes 7,578,724 and 6,523,097 common stock equivalents that are out of the money as of June 30, 2023 and June 30, 2022, respectively.

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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