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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Realized tax benefit |  |  |  | $ 2,300 | $ 2,400 | $ 7,700 |
Stock-based compensation expense total unrecognized |  |  | $ 40,900 |  | $ 40,900 |  |
Stock-based compensation weighted-average year |  |  |  |  | 2 years 4 months 24 days |  |
Granted (in shares) |  |  |  |  | 2,766,000 |  |
Allocated share based compensation expenses |  |  | 20,327 | $ 38,074 | $ 66,269 | $ 86,996 |
Employee Stock Option |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period | 4 years |  |  |  | 4 years |  |
Employee Stock Option | Executive Officer |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense total unrecognized |  |  | $ 4,200 |  | $ 4,200 |  |
Stock-based compensation weighted-average year |  |  | 2 years 10 months 24 days |  |  |  |
Granted (in shares) | 970,970 |  |  |  |  |  |
Allocated share based compensation expenses |  |  | $ 1,200 |  | $ 4,100 |  |
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% |  |  |  |  |  |
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 |  |  |  |  |  |
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 |  |  |  |  |  |
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 |  |  | $ 4,300 |  | $ 17,000 |  |
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 |  |  | $ 1,000 |  | $ 4,300 |  |
RSUs |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock-based compensation weighted-average year |  |  |  |  | 3 years 2 months 12 days |  |
Remaining stock-based compensation expense |  |  | 103,600 |  | $ 103,600 |  |
Granted (in shares) |  |  |  |  | 6,982,000 |  |
Vesting period |  |  |  |  |  |  | 4 years
RSUs | 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 |  |  | $ 3,600 |  | $ 14,000 |  |
RSUs | Executive Officer | Service Based Restricted Stock |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock-based compensation weighted-average year |  |  | 2 years 10 months 24 days |  |  |  |
Allocated share based compensation expenses |  |  | $ 1,100 |  | 3,900 |  |
Remaining stock-based compensation expense |  |  | 3,900 |  | $ 3,900 |  |
Granted (in shares) | 388,389 |  |  |  |  |  |
Units granted, fair value | $ 10,900 |  |  |  |  |  |
RSUs | 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 vesting conditions of shares outstanding (in shares) |  |  |  |  | 1,725,942 |  |
New fair value of units due to remeasurement |  |  |  |  | $ 43,300 |  |
Accelerated compensation expense recognized |  |  | $ 2,900 |  | $ 11,000 |  |
RSUs | 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% |  |  |  |  |
RSUs | 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
RSUs | 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% |  |
RSUs | Employees | Performance Shares | Service Vesting Condition |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
New fair value |  |  |  |  | $ 2,900 |  |
RSUs | 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 |  |  | $ 100 |  | $ 500 |  |
RSUs | 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 |  |  |  |  |
RSUs | 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 |  |  |  |  |

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