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Senior Living Community Management Agreements - Narrative (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 09, 2021 USD ($) unit community	Jun. 30, 2022 USD ($) property	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) property community	Jun. 30, 2021 USD ($) community	Dec. 31, 2021 community unit
Number of properties (property) | property		378		378
Affiliated Entity
Lease income		$ 379	$ 398	$ 767	$ 795
Five Star
Property management agreement expense		8,971	12,927	17,903	26,777
Related party transaction capitalized amount		697	715	1,487	1,549
Five Star | Rehabilitation Services
Expenses from transactions with related party		1,736	2,630	3,652	8,071
Five Star | Operating Expense
Property management agreement expense		8,274	12,212
Related party transaction capitalized amount				16,416	25,228
Senior Living Communities | Five Star
Number of properties (property) | community	120
Related party transactions, termination percentage	10.00%
Percentage target EBITDA of new management agreement not earned	80.00%
Senior Living Communities | Five Star | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations
Number of properties (property) | community	108
Number of property units (units) | unit	7,500					7,340
Amounts of transaction	$ 682,000	517	$ 11,914	$ 1,445	$ 11,914
Number of properties transitioned | community						107
Senior Living Communities | Five Star | Closed
Number of properties (property) | community						108
Number of property units (units) | unit	1,500
Senior Living Communities | Affiliated Entity | Five Star
Number of communities managed | community				120	235
Five Star | Third Party Investor
Property management agreement expense		$ 5,218		$ 10,326

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-Publisher FASB
-Name Accounting Standards Codification
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