Investments - Narrative (Details) - security |
Mar. 31, 2019 |
Dec. 31, 2018 |
---|---|---|
Debt Securities, Available-for-sale [Line Items] | ||
Number of fixed maturity and equity securities | 283 | 749 |
Percentage of gross unrealized loss | 100.00% | 100.00% |
Fixed maturity securities | Investment grade | ||
Debt Securities, Available-for-sale [Line Items] | ||
Percentage of gross unrealized loss | 79.00% | 87.90% |
Percentage of fair value | 87.90% | 93.10% |