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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |
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Jun. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 21, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 113,506 | $ 13,767 | $ 6,807 |
Total intrinsic value of options exercised |  |  |  |  | 13,500 | $ 12,300 | $ 10,100 |
Stock-based compensation expense total unrecognized |  |  |  | $ 56,100 | $ 56,100 |  |  |
Weighted-average grant-date fair value (in dollars per share) |  |  |  |  | $ 11.78 | $ 4.32 | $ 4.64 |
Realized tax benefit |  |  |  |  | $ 12,300 | $ 14,200 | $ 8,700 |
Granted (in shares) |  |  |  |  | 971,000 |  |  |
2021 Equity Incentive Plan | Maximum |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares authorized (in shares) | 18,946,871 | 18,946,871 |  |  |  |  |  |
2016 Stock Option Plan |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 5 years |  |  |
Expiration period |  |  |  |  | 10 years |  |  |
Employee Stock Option |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 4 years |  |  |
Employee Stock Option | Executive Officer |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 3,200 |  |  |
Stock-based compensation expense total unrecognized |  |  |  | $ 8,200 | $ 8,200 |  |  |
Stock-based compensation weighted-average year |  |  |  |  | 3 years 7 months 6 days |  |  |
Granted (in shares) |  | 970,970 |  |  |  |  |  |
Employee Stock Option | Executive Officer | Time Based Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares that were modified for vesting conditions, outstanding (in shares) |  |  |  | 1,706,888 | 1,706,888 |  |  |
Employee Stock Option | Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage that was modified |  |  |  | 25.00% | 25.00% |  |  |
Employee Stock Option | Executive Officers And Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares that were modified for vesting conditions (in shares) |  |  |  | 4,477,218 | 4,477,218 |  |  |
Employee Stock Option | Executive Officers And Employees | Performance Shares | Service Based Vesting |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
New fair value |  |  |  |  | $ 76,600 |  |  |
Modified unrecognized compensation expense |  |  |  | $ 29,200 | $ 29,200 |  |  |
Modified unrecognized compensation expense period |  |  |  |  | 2 years 6 months |  |  |
Employee Stock Option | Executive Officers And Employees | Modified Vesting Conditions | Performance Shares | Service Based Vesting |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses | $ 23,300 |  |  | $ 24,100 |  |  |  |
Employee Stock Option | One Executive Officer | 2019 Performance Obligaitons |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares that were modified for vesting conditions (in shares) |  |  |  | 3,627,936 | 3,627,936 |  |  |
New fair value |  |  |  |  | $ 11,400 |  |  |
Employee Stock Option | One Executive Officer | 2019 Performance Obligaitons | Service Based Vesting |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses | 6,600 |  |  | $ 6,700 |  |  |  |
Modified unrecognized compensation expense |  |  |  | $ 5,900 | $ 5,900 |  |  |
Modified unrecognized compensation expense period |  |  |  |  | 1 year 9 months 18 days |  |  |
Employee Stock Option | Terminated Employees | Modified Vesting Conditions |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 1,400 |  |  |
Shares that were modified for vesting conditions, outstanding (in shares) |  |  |  | 63,235 | 63,235 |  |  |
Employee Stock Option | 2021 Employee Stock Purchase Plan |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 400 |  |  |
Restricted stock units |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 38,600 | 3,700 | 4,200 |
Vesting period |  |  |  |  | 4 years |  |  |
Stock-based compensation weighted-average year |  |  |  |  | 3 years 1 month 6 days |  |  |
Fair value of vested options |  |  |  |  | $ 18,100 | 3,400 | 4,400 |
Remaining stock-based compensation expense |  |  |  | $ 55,100 | 55,100 |  |  |
Realized tax benefit |  |  |  |  | $ 3,500 | $ 400 | $ 700 |
Granted (in shares) |  |  |  |  | 2,276 |  |  |
Units vested upon effectiveness of IPO (in shares) |  |  |  | 550,091 | 550,091 |  |  |
Restricted stock units | Liquidity Event Restricted Stock Units | Time Based Liquidity Event Restricted Stock Units |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  | $ 30,900 |  |  |  |
Restricted stock units | Executive Officer | Liquidity Event Restricted Stock Units | Time Based Liquidity Event Restricted Stock Units |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Modified unrecognized compensation expense |  |  |  | 20,100 | $ 20,100 |  |  |
Modified unrecognized compensation expense period |  |  |  |  | 2 years 8 months 12 days |  |  |
Modified vesting conditions of shares outstanding (in shares) |  |  |  |  | 1,725,942 |  |  |
New fair value of units due to remeasurement |  |  |  |  | $ 43,300 |  |  |
Accelerated compensation expense recognized | 7,400 |  |  | 15,800 |  |  |  |
Restricted stock units | Executive Officer | Service Based Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses |  |  |  |  | $ 3,100 |  |  |
Stock-based compensation weighted-average year |  |  |  |  | 3 years 7 months 6 days |  |  |
Remaining stock-based compensation expense |  |  |  | $ 7,800 | $ 7,800 |  |  |
Granted (in shares) |  | 388,389 |  |  |  |  |  |
Units granted, fair value |  | $ 10,900 |  |  |  |  |  |
Restricted stock units | Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Granted (in shares) |  |  | 30,434 |  |  |  |  |
Percentage of assets sold or transferred for equity instruments other than options to vest |  |  | 50.00% |  |  |  |  |
Restricted stock units | Employees | Liquidity Event Restricted Stock Units |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  | 1,338,028 |  |  |
Retainage period |  |  |  |  | 6 years 6 months |  |  |
Restricted stock units | Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares that were modified for vesting conditions, outstanding (in shares) |  |  |  | 111,902 | 111,902 |  |  |
Vesting percentage that was modified, RSUs |  |  |  |  | 25.00% |  |  |
Restricted stock units | Employees | Performance Shares | Service Vesting Condition |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
New fair value |  |  |  |  | $ 2,900 |  |  |
Modified unrecognized compensation expense, RSUs |  |  |  | $ 1,500 | $ 1,500 |  |  |
Modified unrecognized compensation expense period, RSUs |  |  |  |  | 2 years 9 months 18 days |  |  |
Restricted stock units | Employees | Modified Vesting Conditions | Performance Shares | Service Vesting Condition |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Allocated share based compensation expenses | $ 200 |  |  | $ 1,200 |  |  |  |
Restricted stock units | Maximum | Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  | 100.00% |  |  |  |  |
Par value (in dollars per share) |  |  | $ 29.46 |  |  |  |  |
Restricted stock units | Minimum | Employees | Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  | 0.00% |  |  |  |  |
Par value (in dollars per share) |  |  | $ 19.64 |  |  |  |  |
2000 and 2020 Performance Options Performance Restricted Stock Units and Liquidity Restricted Event Restricted Stock Units | Median |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Par value (in dollars per share) |  |  |  |  |  |  |  | $ 25.50
Employee stock purchase plan | 2021 Employee Stock Purchase Plan |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares authorized (in shares) | 3,552,538 | 3,552,538 |  |  |  |  |  |
Time Based Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation weighted-average year |  |  |  |  | 2 years 4 months 24 days |  |  |

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