Share-based Compensation - Additional Information (Detail) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2021
USD ($)
shares
|
Dec. 31, 2020
USD ($)
shares
|
|
| Employee 2013 EIP [Member] | ||
| Disclosure of terms and conditions of share-based payment arrangement [Line Items] | ||
| Description of method of settlement for share-based payment arrangement | Upon enrollment in the 2013 EIP, Beneficiaries were granted a certain number of shares which they were entitled to acquire at a pre-determined price of 1/13 of a Swiss franc. The pre-determined price was generally paid by the Beneficiaries at the grant date and recognized as a pre-payment until the vesting period elapses resulting in the shares issuance being accounted for. | |
| Description of vesting requirements for share-based payment arrangement | The shares generally fully vest over a four-year vesting period, with 25% of the shares underlying the grant vesting after one year, and 1/48th of the shares underlying the grant vesting each month over a further period of three years. | |
| Obligation to repurchase or settle shares | $ 0 | |
| Employee 2017 EIP [Member] | ||
| Disclosure of terms and conditions of share-based payment arrangement [Line Items] | ||
| Description of vesting requirements for share-based payment arrangement | The stock-options typically vest under a 3-year or 4-year vesting schedule, have a 10-year expiration term and have an exercise price equivalent to the share price at grant date. | |
| Number of stock option, granted | shares | 3,050,340 | 4,543,952 |
| Employee 2017 EIP [Member] | Black-Scholes Model [Member] | ||
| Disclosure of terms and conditions of share-based payment arrangement [Line Items] | ||
| Description of option pricing model, share options granted | Black-Scholes model | Black-Scholes model |
| weighted average fair value of the stock-options granted | $ 2.57 | $ 2.31 |