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v3.25.2

Investments (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 USD ($) investment | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) investment | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of separate property or fund co-investments | investment | 50 |  | 50 |  |
Investments | $ 878.8 |  | $ 878.8 |  | $ 812.7
Fair Value [Abstract] |  |  |  |  |
Fair value investments at beginning of the period |  |  | 742.0 | $ 740.8 |
Investments in Real Estate Ventures, at Fair Value, Additions |  |  | 135.4 | 35.0 |
Investments in Real Estate Ventures, at Fair Value, Distributions |  |  | (34.2) | (11.6) |
Unrealized Gain (Loss) on Investments |  |  | (54.3) | (17.3) |
Investments in Real Estate Ventures, at Fair Value, Foreign Currency Translation |  |  | 20.2 | (10.6) |
Investments previously accounted at cost that are now being accounted for at Net Asset value | 24.6 |  | 24.6 |  |
Fair value investments at end of the period | 833.7 | $ 744.7 | 833.7 | 744.7 |
Equity Investments accounted for under the measurement alternative | 8.0 |  | 8.0 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |  |  |  |
Fair Value [Abstract] |  |  |  |  |
Fair value investments at beginning of the period | 311.0 | 369.7 | 330.3 | 367.3 |
Fair value investments at end of the period | 293.1 | 367.8 | 293.1 | 367.8 |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Investments [Member] |  |  |  |  |
Fair Value [Abstract] |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | 0.0 | $ 5.2 | 0.0 | $ 8.4 |
Software and Technology Solutions |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 8.1 |  | 8.1 |  |
Investments | 334.7 |  | 334.7 |  | 372.8
Fair Value [Abstract] |  |  |  |  |
Asset Impairment Charges |  |  | 2.2 |  |
Investment Management |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 211.4 |  | 211.4 |  |
Investments | 508.7 |  | 508.7 |  | 406.1
Other Investments and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments | $ 35.4 |  | $ 35.4 |  | $ 33.8

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