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Redeemable Convertible Preferred Shares - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2019
Class of Stock [Line Items] |  |  |
Conversion Rate Of Preferred Shares To Ordinary Shares | $ 1 |  | $ 1
Redeemable Convertible Preferred Stock Voting Rights |  | 65 |
Preferred Stock, Amount of Preferred Dividends in Arrears |  | $ 64,578 |
Preferred Stock, Dividend Rate, Percentage |  | 7.00% |
Series C Preferred Stock [Member] |  |  |
Class of Stock [Line Items] |  |  |
Preferred Stock, Convertible, Terms |  | If the IPO closing price, is less than 1.2 times the then applicable Conversion Price of the Preferred C Shares, then, immediately prior to closing of such initial public offering (and, for the avoidance of doubt, prior to the conversion of the Preferred C Shares into Ordinary Shares) the then applicable Conversion Price of the Preferred C Shares shall be automatically reduced so as to be equal to the IPO Closing Price divided by 1.2. |
Series D Preferred Stock [Member] |  |  |
Class of Stock [Line Items] |  |  |
Preferred Stock, Convertible, Terms |  | If the IPO closing price, is less than 1.2 times the then applicable Conversion Price of the Series D Preferred Shares, then, immediately prior to closing of such initial public offering (and, for the avoidance of doubt, prior to the conversion of the Series D Preferred Shares into Ordinary Shares) the then applicable Conversion Price of the Series D Preferred Shares shall be automatically reduced so as to be equal to the IPO closing price divided by 1.2. |
Series E Preferred Stock [Member] |  |  |
Class of Stock [Line Items] |  |  |
Preferred Stock, Convertible, Terms |  | If the IPO closing price, is less than 1.5 times the then applicable Conversion Price of the Series E Preferred Shares, then, immediately prior to closing of such initial public offering (and, for the avoidance of doubt, prior to the conversion of the Series E Preferred Shares into Ordinary Shares) the then applicable Conversion Price of the Series E Preferred Shares shall be automatically reduced so as to be equal to the IPO closing price divided by 1.5. |
By vote or written consent [Member] |  |  |
Class of Stock [Line Items] |  |  |
Redeemable Convertible Preferred Stock Voting Rights |  | 70 |
Voting together as a single class or by consent of such required majority [Member] |  |  |
Class of Stock [Line Items] |  |  |
Redeemable Convertible Preferred Stock Voting Rights |  | 50 |
Qualified IPO [Member] |  |  |
Class of Stock [Line Items] |  |  |
Net Proceeds | $ 100 |  |

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