Supplemental Disclosure of Cash Flow Information - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) community	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Net cash paid for termination of operating leases	$ 0	$ 33,596	$ 0
Net cash paid for termination of capital and financing leases		12,500
Ownership Percentage	50.00%
Proceeds from notes receivable	$ 34,109	1,580	$ 975
Joint Venture
Related Party Transaction [Line Items]
Payments to acquire interest in joint venture	$ 13,300
Number of communities owned | community	2
Distributions to partners	$ 6,300
Proceeds from notes receivable	3,100
Promissory Note | Joint Venture
Related Party Transaction [Line Items]
Notes receivable	$ 6,600
Lease termination and modification, net
Related Party Transaction [Line Items]
Net cash paid for termination of operating leases		$ 54,600