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Senior Living Community Management Agreements - Narrative (Details) - Affiliated Entity $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) community | Jun. 30, 2024 USD ($) community
Five Star |  |  |  |
Property management agreement expense | $ 11,140 | $ 10,444 | $ 22,374 | $ 20,851
Related party transaction capitalized amount | 504 | 449 | 1,099 | 858
Five Star | Operating Expense |  |  |  |
Property management agreement expense | 10,636 | 9,995 | $ 21,275 | $ 19,993
Senior Living Communities | Five Star |  |  |  |
Number of communities managed | community |  |  | 118 | 119
Senior Living Communities | Third Party Managers |  |  |  |
Number of communities managed | community |  |  | 112 | 111
Property management agreement expense | $ 5,970 | $ 5,758 | $ 12,304 | $ 11,483
Incentive fee expense |  |  | $ 351 |

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- Definition Represents the number of communities managed by a related party. + References No definition available. + Details
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- Definition Expenses recognized during the period resulting from property management transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period. + References No definition available. + Details
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- Definition Amount of expense for incentive fee based on performance under arrangement to manage operations, including, but not limited to, investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 850 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-1 + Details
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