Leases - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021 lease community
Lessee, Lease, Description [Line Items]
Number of communities leased | community	299
Number of operating communities leased	233
Number of financing communities leased	66
Operating lease, weighted average remaining lease term	5 years 10 months 24 days
Finance lease, weighted average remaining lease term	5 years 3 months 18 days
Operating lease, weighted average discount rate	7.20%
Finance lease, weighted average discount rate	8.00%
Minimum
Lessee, Lease, Description [Line Items]
Renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Renewal term	20 years