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Share-Based Compensation Plans - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Weighted average per share fair value of non-vested shares that vested during the period (in dollars per share) | $ 328.63 |  |
ESPP |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized | 3,000,000.0 |  |
Shares available for purchase (in shares) | 920,766 |  |
Maximum employee subscription rate (as a percent) | 10.00% |  |
Maximum amount of stock per employee | $ 25,000 |  |
Purchase price of common stock (as a percent) | 85.00% |  |
Discount from market price, offering date (as a percent) | 15.00% |  |
Shares purchased pursuant to 2009 ESPP (in shares) | 106,926 |  |
Weighted average per share fair value of non-vested shares that vested during the period (in dollars per share) | $ 253.60 |  |
Weighted average per share discount for compensation expense recognized (in dollars per share) | $ 44.75 | $ 41.58 | $ 38.57
Stock Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized | 3,800,000 |  |
Shares available for purchase (in shares) | 498,122 |  |
Shares outstanding (in shares) | 0 |  |
Stock Incentive Plan | Time Vesting RSU |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | 44,773 |  |
Stock Incentive Plan | RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period (in years) | 3 years |  |
Unvested RSUs | $ 58,300,000 |  |
Weighted average vesting period (in years) | 2 years 4 months 24 days |  |
Stock Incentive Plan | RSUs | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period (in years) | 3 years |  |
Stock Incentive Plan | RSUs | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period (in years) | 4 years |  |
Stock Incentive Plan | Performance and Time-vesting RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | 268,613 |  |
Stock Incentive Plan | Performance and Time-vesting RSUs | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Performance period | 1 year |  |
Stock Incentive Plan | Performance and Time-vesting RSUs | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Performance period | 3 years |  |

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