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Stock Based Awards - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation awards granted | 1,559,000 | 5,258,000 | 3,375,000
Stock based compensation expense | $ 3.1 | $ 1.4 | $ 1.3
Unrecognized stock based compensation expense | $ 4.9 |  |
RSU [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Vested but not settled | 14,520 |  |
Granted | 203,000 | 0 | 0
2021 Equity Incentive plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Diluted shares conversion percentage | 5.00% |  |
2021 Equity Incentive plan | Class A Common Stock |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Shares reserved for future issuance | 26,333,222 |  |
Employee Stock Purchase Plan |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Diluted shares conversion percentage | 1.00% |  |
Number of Shares Available for Grant | 50,000,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued | 0 |  |
Employee Stock Purchase Plan | Class A Common Stock |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Shares Available for Grant | 2,633,322 |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + 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 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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