Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) lease community	Mar. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Operating and financing leases, number of communities | community	298
Operating lease, number of communities	231
Financing leases, number of communities	67
CARES Act
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets | $	$ 8.6	$ 9.0
Minimum
Lessee, Lease, Description [Line Items]
Finance and operating lease, renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Finance and operating lease, renewal term	20 years