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Stock-Based Compensation - Additional Information (Details) - USD ($) | 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] |  |  |
Number of shares available for grant | 4,300,000 |  |
Common stock, par value (in dollars per share) | $ 0.0005 | $ 0.0005 |
Total share-based compensation cost not yet recognized | $ 103,000,000 |  |
Remaining weighted average service period | 2 years 4 months 24 days |  |
Proceeds from employee stock purchase plan | $ 18,173,000 | $ 18,085,000 | $ 17,629,000
Employee Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Employee stock purchase plan, stock purchases as a percentage of employee compensation, maximum | 10.00% |  |
Maximum share value authorized for purchase under employee stock purchase plan | $ 23,750 |  |
Exercisable price percentage of closing price of another class of stock | 95.00% |  |
Maximum number of shares that may be purchased by eligible participants | 3,300,000 |  |
Proceeds from employee stock purchase plan | $ 18,200,000 | $ 18,100,000 | $ 17,600,000
Stock appreciation rights |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Remaining weighted average service period | 6 years 1 month 9 days |  |
Award vesting period | 4 years |  |
Award expiry period from date of grant | 7 years |  |
Total compensation cost not yet recognized, period for recognition | 4 years |  |
Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common shares per vested award (in shares) | 1 |  |
Restricted stock units | Service-based Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
Restricted stock units | Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
CSEs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common shares per vested award (in shares) | 1 |  |
Base fee percentage | 50.00% |  |

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