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Stock-Based Compensation - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | May 11, 2022
Stock Options, Additional Disclosures |  |  |  |
Granted (in shares) | 5,995 |  |  |
Options, Outstanding, Aggregate Intrinsic Value |  | $ 364 |  |
Weighted average fair value per share of options granted | $ 12.43 |  |  |
2018 Plan |  |  |  |
Stock Options, Additional Disclosures |  |  |  |
Stock options outstanding |  |  |  | 0
2019 Plan |  |  |  |
Stock Options, Additional Disclosures |  |  |  |
Number of shares authorized | 15,938 |  |  |
Stock options |  |  |  |
Stock Options, Additional Disclosures |  |  |  |
Stock options outstanding | 36,493 | 32,498 | 30,676 |
Outstanding, Number, Beginning Balance (in shares) | 32,498 | 30,676 |  |
Granted (in shares) | 5,995 | 22,555 |  |
Exercised (in shares) |  | (6,096) |  |
Forfeited/Cancelled (in shares) | (2,000) | (14,637) |  |
Outstanding, Number, Ending Balance (in shares) | 36,493 | 32,498 | 30,676 |
Vested and expected to vest (in shares) | 36,493 |  |  |
Options Exercisable (in share) | 17,903 |  |  |
Outstanding, Weighted Average Exercise Price, Beginning Balance (in dollars per share) | $ 119.72 | $ 108.32 |  |
Granted (in dollars per share) | 17.83 | 67.80 |  |
Exercise price (in dollars per share) |  | 17.90 |  |
Forfeited/Cancelled (in dollars per share) | 181.20 | 57.89 |  |
Outstanding, Weighted Average Exercise Price, Ending Balance (in dollars per share) | 99.62 | $ 119.72 | $ 108.32 |
Vested and expected to vest (in dollars per share) | 99.62 |  |  |
Options Exercisable (in dollars per share) | $ 146.70 |  |  |
Options, Outstanding, Weighted Average Remaining Contractual Term (years) | 8 years 6 months | 9 years 3 months 18 days | 8 years 6 months |
Vested and expected to vest (years) | 8 years 6 months |  |  |
Options Exercisable (years) | 8 years 1 month 6 days |  |  |
Weighted average fair value per share of options granted | $ 12.43 | $ 43.55 |  |
Minimum | Stock options |  |  |  |
Stock Options, Additional Disclosures |  |  |  |
Vesting period | 1 year |  |  |
Maximum | Stock options |  |  |  |
Stock Options, Additional Disclosures |  |  |  |
Expiration period | 10 years |  |  |
Vesting period | 3 years |  |  |

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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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