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v3.24.3

Organization (Details) | 12 Months Ended
--- | ---
Sep. 30, 2024 real_estate_investment_trust shares
Related Party Transaction [Line Items] |
Number of managed trusts | real_estate_investment_trust | 4
RMR LLC |
Related Party Transaction [Line Items] |
Ownership percentage | 52.90%
Class B-1 common shares | AlerisLife |
Related Party Transaction [Line Items] |
Membership units (in shares) | 1,000,000
Redeemable Class A membership units | AlerisLife |
Related Party Transaction [Line Items] |
Membership units (in shares) | 15,000,000
Redeemable Class A membership units | RMR LLC | AlerisLife |
Related Party Transaction [Line Items] |
Ownership percentage | 47.10%
Class A membership units | AlerisLife |
Related Party Transaction [Line Items] |
Membership units (in shares) | 15,000,000
Class A membership units | Class A |
Related Party Transaction [Line Items] |
Membership units (in shares) | 15,846,025
Capital Unit, Class B |
Related Party Transaction [Line Items] |
Membership units (in shares) | 1,000,000

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