Leases (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) lease community	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) lease community	Jun. 30, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Operating and financing leases, number of communities | community	295		295
Operating lease, number of communities	230		230
Financing leases, number of communities	65		65
CARES Act
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets | $	$ 1.0	$ 1.5	$ 9.6	$ 10.5
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