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Financial Instruments and Fair Value Measurements - Schedule of Items Measured at Fair Value on Nonrecurring Basis (Parenthetical) (Details) - USD ($) $ in Millions | 6 Months Ended | 9 Months Ended
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Jun. 30, 2025 | Sep. 30, 2025
Fund IV |  |
Real Estate [Line Items] |  |
Aggregate fair value | $ 28.6 |
Fund IV | Fair Value, Nonrecurring [Member] | Discounted Cash Flow Analysis |  |
Real Estate [Line Items] |  |
Discount rate | 9.25% |
Capitalization rate | 8.25% |
Fund III |  |
Real Estate [Line Items] |  |
Aggregate fair value |  | $ 21.3
Fund III | Fair Value, Nonrecurring [Member] | Discounted Cash Flow Analysis |  |
Real Estate [Line Items] |  |
Discount rate |  | 10.00%
Capitalization rate |  | 7.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477332/976-310-50-1 + Details
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