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Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2014 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jul. 31, 2024
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Remaining authorized repurchase amount |  | $ 138.0 |  |  |
Repurchase of common stock for employee tax withholdings, shares |  | 177,000 | 182,000 | 138,000 |
Repurchase of common stock for tax withholdings, value |  | $ 9.4 | $ 10.2 | $ 8.7 |
Cash dividends declared per common share |  | $ 1.2 | $ 1.12 | $ 1.06 |
Cash dividend |  | $ 34.8 | $ 34.3 | $ 33.7 |
Stock warrants term | 10 years |  |  |  |
Stock warrants, exercise price | $ 26.68 |  |  |  |
Dividends accrued |  | $ 10.3 | $ 2.1 |  |
Conversion Of Comcast Current Residential Customer Accounts |  |  |  |  |
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Issuance of stock warrants | 1,900,000 |  |  |  |
Comcast |  |  |  |  |
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Issuance of stock warrants | 2,900,000 |  |  |  |
Stock warrants issued |  |  |  |  | 1,000,000
SEC Rule 10b5-1 Plan |  |  |  |  |
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Repurchase of common stock, shares |  | 1,185,000 | 508,000 | 1,497,000 |
Total amount paid |  | $ 57.8 | $ 27.0 | $ 87.9 |
Weighted-average price per share |  | $ 48.79 | $ 53.15 | $ 58.71 |
2023 Convertible Notes |  |  |  |  |
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Repurchase of common stock, shares |  |  | 1,680,000 |  |
Total amount paid |  |  | $ 90.1 |  |
Weighted-average price per share |  |  | $ 53.62 |  |
Stock Repurchase Program |  |  |  |  |
Stockholders Equity Transaction [Line Items] |  |  |  |  |
Remaining authorized repurchase amount |  | $ 100.0 |  |  |
Share repurchase program, expiration date |  | Dec. 31, 2025 |  |  |

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