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v3.23.1

Related Person Transactions (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Feb. 02, 2023 $ / shares shares | Mar. 31, 2023 USD ($) agreement | Mar. 31, 2022 USD ($) | Mar. 20, 2023 shares
Related person transactions |  |  |  |
Revenues |  | $ 346,030 | $ 310,733 |
AlerisLife Inc |  |  |  |
Related person transactions |  |  |  |
Investment owned balance per shares | $ / shares | $ 1.31 |  |  |
Investment Sale, Percentage Of Investee Equity Eligible For Sale | 31.90% |  |  |
Rental income |  |  |  |
Related person transactions |  |  |  |
Revenues |  | 66,438 | 65,285 |
Reit Management And Research L L C | Rental income |  |  |  |
Related person transactions |  |  |  |
Revenues |  | 61 | $ 70 |
AlerisLife Inc |  |  |  |
Related person transactions |  |  |  |
Equity securities investment (in shares) | shares | 10,691,658 |  |  | 10,691,658
AlerisLife Inc |  |  |  |
Related person transactions |  |  |  |
Investment owned, percentage of total shares outstanding |  |  |  | 31.90%
RMR |  |  |  |
Related person transactions |  |  |  |
Related party transaction, closing cost |  | $ 8,612 |  |
Number of management agreements | agreement |  | 2 |  |
AlerisLife Inc | AlerisLife Inc |  |  |  |
Related person transactions |  |  |  |
Noncontrolling interest, ownership percentage by parent |  |  |  | 6.10%

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