Revenue from Contracts with Customers - Provision for Credit Losses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Revenue from Contracts with Customers | |||||
| Period of delinquency after which Company disconnects services to customers | 100 days | ||||
| Accounts receivable - trade, net of allowance for credit losses | |||||
| Accounts receivable - trade | $ 37.4 | $ 42.9 | $ 37.4 | $ 42.9 | |
| Allowance for credit losses: | |||||
| Balance at beginning of period | 3.3 | 6.4 | 3.3 | 6.7 | |
| Provision charged to expense | 1.7 | 2.1 | 3.7 | 4.8 | |
| Accounts written off, net of recoveries | (1.9) | (3.0) | (3.9) | (6.0) | |
| Balance at end of period | 3.1 | 5.5 | 3.1 | 5.5 | |
| Accounts receivable-trade, net of allowance for credit losses | $ 34.3 | $ 37.4 | $ 34.3 | $ 37.4 | $ 32.0 |