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Stockholders' Equity - Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividend Per Share (in USD per share) | $ 0.37 | $ 0.37 |  | $ 0.35 | $ 0.35 |  | $ 2.81 | $ 2.65
Amount Declared | $ 10.1 | $ 10.1 |  | $ 9.8 | $ 9.8 |  | $ 77.5 | $ 75.1
Amount Paid | $ 10.0 | $ 10.1 |  | $ 9.8 | $ 9.8 |  | $ 77.7 | $ 75.0
S 2025 A Dividends |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividend Per Share (in USD per share) |  |  | $ 1.70 |  |  |  |  |
Amount Declared |  |  | $ 47.1 |  |  |  |  |
Amount Paid |  |  | $ 46.7 |  |  |  |  |
O 2025 Q1 Dividends |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividend Per Share (in USD per share) |  |  | $ 0.37 |  |  |  |  |
Amount Declared |  |  | $ 10.2 |  |  |  |  |
Amount Paid |  |  | $ 10.1 |  |  |  |  |
S 2024 A Dividends |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividend Per Share (in USD per share) |  |  |  |  |  | $ 1.60 |  |
Amount Declared |  |  |  |  |  | $ 45.5 |  |
Amount Paid |  |  |  |  |  | $ 45.1 |  |
O 2024 Q1 Dividends |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividend Per Share (in USD per share) |  |  |  |  |  | $ 0.35 |  |
Amount Declared |  |  |  |  |  | $ 10.0 |  |
Amount Paid |  |  |  |  |  | $ 9.8 |  |

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