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Stock-Based Incentive Plans - Additional Information (Detail) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 USD ($) plan shares | Dec. 31, 2024 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of benefit plans | plan | 2 |
Restricted Class A Common Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted shares, vesting period (in years) | 3 years |
Number of shares of restricted class A common stock outstanding (in shares) | 1,582,654 | 2,142,759
Unrecognized compensation cost relating to nonvested share-based compensation | $ | $ 30.2 |
Unrecognized compensation cost expected to be recognized over weighted average period (in years) | 1 year |
Restricted Class A Common Stock | Vest in 2025 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares of restricted class A common stock outstanding (in shares) | 304,010 |
Restricted Class A Common Stock | Vest in 2026 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares of restricted class A common stock outstanding (in shares) | 863,026 |
Restricted Class A Common Stock | Vest in 2027 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares of restricted class A common stock outstanding (in shares) | 415,618 |
Class A Common Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Maximum number of shares available under plan (in shares) | 10,400,000 |
Number of shares available under plan (in shares) | 5,980,325 |

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