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Convertible Preferred Shares - Additional Information (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 23, 2020 shares | Jun. 30, 2020 shares | Sep. 30, 2019 USD ($) $ / shares shares | Aug. 31, 2019 | Jan. 31, 2019 USD ($) $ / shares shares | Jun. 30, 2017 USD ($) Tranche $ / shares shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) shares
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Conversion of convertible preferred shares into an equivalent number of common shares, Value |  |  |  |  |  |  |  | $ 135,997,000
Common Shares |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Conversion of convertible preferred shares into an equivalent number of common shares, Value |  |  |  |  |  |  |  | $ 135,997,000
Conversion of convertible preferred shares into an equivalent number of common shares, Shares | shares |  |  |  |  |  |  |  | 21,558,393
Convertible preferred shares converted into common shares | shares | 21,558,393 | 21,558,393 |  |  |  |  |  |
Series A Preferred Shares |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Convertible preferred shares authorized |  |  |  |  |  | unlimited |  |
Number of tranches | Tranche |  |  |  |  |  | 3 |  |
Beneficial conversion feature |  |  |  |  |  |  | $ 0 |
Series A Preferred Shares | First Tranche |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Convertible preferred shares, par value | $ / shares |  |  |  |  |  | $ 4.91 |  |
Issuance of convertible preferred shares | shares |  |  |  |  |  | 5,906,049 |  |
Proceeds from Issuance of convertible preferred stock |  |  |  |  |  | $ 29,000,000.0 |  |
Stock issuance costs |  |  |  |  |  | 40,000.00 |  |
Conversion of convertible preferred shares into an equivalent number of common shares, Value |  |  |  |  |  | $ 4,500,000 |  |
Conversion of convertible preferred shares into an equivalent number of common shares, Shares | shares |  |  |  |  |  | 907,291 |  |
Series A Preferred Shares | Second Tranche |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Convertible preferred shares, par value | $ / shares |  |  |  |  | $ 4.91 |  |  |
Issuance of convertible preferred shares | shares |  |  |  |  | 4,276,795 |  |  |
Proceeds from Issuance of convertible preferred stock |  |  |  |  | $ 21,000,000.0 |  |  |
Series A Preferred Shares | Maximum |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Issuance of convertible preferred shares | shares |  |  |  |  |  | 13,237,696 |  |
Series A Preferred Shares | Maximum | First Tranche |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Issuance of convertible preferred shares | shares |  |  |  |  |  | 7,331,647 |  |
Series B Preferred Shares |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |
Convertible preferred shares authorized |  |  |  | unlimited |  |  |  |
Convertible preferred shares, par value | $ / shares |  |  | $ 7.88 |  |  |  |  |
Issuance of convertible preferred shares | shares |  |  | 10,468,258 |  |  |  |  |
Proceeds from Issuance of convertible preferred stock |  |  | $ 82,500,000 |  |  |  |  |
Beneficial conversion feature |  |  |  |  |  |  | $ 0 |

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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 + Details
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