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CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Net investment income (1) |  | $ 318.0 | [1] | $ 275.7 | $ 188.1
Realized and unrealized investment losses | [2] | (102.1) |  | (61.4) | (182.6)
General and administrative expenses |  | 405.9 |  | 354.5 | 386.5
Management Consulting Agreement |  |  |  |  |
General and administrative expenses |  | 5.0 |  | 5.0 | 5.0
Asset Management Arrangement |  |  |  |  |
Net investment income (1) |  | 9.2 |  | 9.4 | 4.9
Apollo, Class A & B Notes |  |  |  |  |
Realized and unrealized investment losses |  | 2.5 |  | 8.7 | (0.4)
Management Consulting Agreement |  |  |  |  |
Net investment income (1) |  | $ 15.2 |  | $ 19.6 | $ 3.1
[1] | Net investment income includes related party net investment income of $15.2 million (2023 — $19.6 million, 2022 — $3.1 million) and related party investment management fees of $9.2 million (2023 — $9.4 million, 2022 — $4.9 million).
[2] | Realized and unrealized investments gains includes gains of $2.5 million on related party investments (2023 — gains of $8.7 million, 2022 — loss of $0.4 million).

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