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Net Investment Income | 6 Months Ended
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Jun. 30, 2022
Net Investment Income [Abstract] |
Net Investment Income | Net Investment Income Net investment income consisted of the following:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
(In thousands) | 2022 |  | 2021 |  | 2022 |  | 2021
Investment income (loss) earned on: |  |  |  |  |  |  |
Fixed maturity securities, including cash and cash equivalents and loans receivable | $ | 124,389 |  |  | $ | 96,996 |  |  | $ | 225,673 |  |  | $ | 191,673 |
Investment funds | 33,861 |  |  | 61,311 |  |  | 85,874 |  |  | 100,246 |
Equity securities | 12,797 |  |  | 7,212 |  |  | 23,653 |  |  | 13,392 |
Arbitrage trading account | 4,127 |  |  | 3,914 |  |  | 13,313 |  |  | 22,989 |
Real estate | (1,551) |  |  | 872 |  |  | 595 |  |  | 2,032 |
Gross investment income | 173,623 |  |  | 170,305 |  |  | 349,108 |  |  | 330,332 |
Investment expense | (2,049) |  |  | (2,118) |  |  | (4,022) |  |  | (3,568) |
Net investment income | $ | 171,574 |  |  | $ | 168,187 |  |  | $ | 345,086 |  |  | $ | 326,764 |

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