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Investments - Fixed Maturity Securities in Continuous Loss Position (Details) | Sep. 30, 2024 security | Sep. 30, 2024 position | Dec. 31, 2023 security | Dec. 31, 2023 position
--- | --- | --- | --- | ---
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months | 1,953 | 1,953 | 2,305 | 2,305
Investment Grade |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 1,815 |  | 2,103
Non Investment Grade |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 77 |  | 139
AAA |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 172 |  | 226
AA |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 922 |  | 1,006
A |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 341 |  | 423
BBB |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 380 |  | 448
BB |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 54 |  | 93
B |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 20 |  | 39
CCC or lower |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 3 |  | 7
Not rated |  |  |  |
Gain (Loss) on Securities |  |  |  |
Number of position with a gross unrealized loss, more than 12 months |  | 61 |  | 63

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