Shareholders' Equity and Loss Per Common Share - Common Shares Repurchased (Details) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | 64 Months Ended | |||
|---|---|---|---|---|---|---|---|
Jul. 25, 2025 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Feb. 28, 2025 |
|
| Sale of stock | |||||||
| Authorized value of shares for repurchase | $ 2,000.0 | ||||||
| Repurchase and retired common shares | 11,200,000 | 4,700,000 | 23,300,000 | 7,700,000 | 80,100,000 | ||
| Repurchase and retired common shares, Value | $ 184.9 | $ 68.6 | $ 372.4 | $ 118.0 | $ 1,500.0 | ||
| Average purchase price | $ 16.54 | $ 14.62 | $ 15.96 | $ 15.35 | $ 18.73 | ||
| Subsequent Event | |||||||
| Sale of stock | |||||||
| Repurchase and retired common shares | 264,209 | ||||||
| Repurchase and retired common shares, Value | $ 4.6 | ||||||
| Average purchase price | $ 17.26 | ||||||