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Investments - Schedule of Real Estate Acquisitions (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Apr. 30, 2025 USD ($) home community | Sep. 30, 2025 USD ($) home | Jun. 30, 2025 USD ($) home community | Mar. 31, 2025 USD ($) home | Sep. 30, 2025 USD ($) home | Sep. 30, 2024 USD ($)
Asset Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire other real estate |  |  |  |  | $ 643,975 | $ 278,363
Avalon Hill Country |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  |  | 554 |  |
Payments to acquire other real estate |  |  |  | $ 136,000 |  |
Avalon Wolf Ranch |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  |  | 303 |  |
Payments to acquire other real estate |  |  |  | $ 51,000 |  |
eaves Twin Creeks |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 216 |  |  |
Payments to acquire other real estate |  |  | $ 44,784 |  |  |
Avalon Benbrook |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 301 |  |  |
Payments to acquire other real estate |  |  | $ 60,194 |  |  |
Avalon Castle Hills |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 276 |  |  |
Payments to acquire other real estate |  |  | $ 65,491 |  |  |
Avalon Frisco |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 330 |  |  |
Payments to acquire other real estate |  |  | $ 80,419 |  |  |
Avalon Frisco North |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 349 |  |  |
Payments to acquire other real estate |  |  | $ 88,606 |  |  |
eaves North Dallas |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  | 372 |  |  |
Payments to acquire other real estate |  |  | $ 76,085 |  |  |
Avalon at Palisades |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  | 274 |  |  |  |
Payments to acquire other real estate |  | $ 72,300 |  |  |  |
Avalon Coconut Creek |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  | 270 |  |  |  |
Payments to acquire other real estate |  | $ 99,000 |  |  |  |
eaves Redmond Campus II |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  | 40 |  |  |  |
Payments to acquire other real estate |  | $ 15,650 |  |  |  |
2025 Acquisition |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home |  |  |  |  | 3,285 |
Payments to acquire other real estate |  |  |  |  | $ 789,529 |
DownREIT Partnership |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |
Apartment homes acquired | home | 1,844 |  |  |  |  |
Payments to acquire other real estate | $ 193,000 |  |  |  |  |
Number of communities acquired | community | 6 |  | 6 |  |  |

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