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v3.22.2.2

Stockholders' Equity - Narrative (Detail) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 28, 2022 USD ($) alternative | Sep. 30, 2022 USD ($) agreement $ / shares shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) agreement $ / shares shares | Sep. 30, 2021 USD ($) shares
Restricted Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Restricted stock units, approved (in shares) | shares |  |  |  | 856,959 |
Weighted-average grant date fair value (in dollars per share) | $ / shares |  |  |  | $ 661.64 |
Requisite service period (in years) |  |  |  | 3 years 6 months 7 days |
2020 ATM Program and Equity Forward Amendment |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Sale of stock, equity offering agreement, authorized | $ 1,500.0 |  |  |  |
Number of settlement alternatives | alternative | 3 |  |  |  |
Equity Forward Amendment |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of forward sale agreements | agreement |  | 5 |  | 5 |
Issuance of common stock, shares sold | shares |  |  |  | 579,873 |
Issuance of common stock, weighted average price (in dollars per share) | $ / shares |  | $ 678.72 |  | $ 678.72 |
Gross proceeds from sale of stock |  |  |  | $ 393.6 |
2020 ATM Program |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Sale of stock, equity offering agreement, available for sale |  | $ 200.0 |  | $ 200.0 |
Issuance of common stock in offering (in shares) | shares |  | 580,833 |  | 580,833 | 137,604
Gross proceeds from sale of stock |  | $ 403.6 | $ 99.6 | $ 403.6 | $ 99.6

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