Notes And Other Receivables Installment notes receivable on manufactured homes - narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes and other receivables, net	$ 469,594	$ 221,650
Installment notes receivable on manufactured homes, net [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes and other receivables, net	$ 79,096	$ 85,866
Receivable with Imputed Interest, Effective Yield (Interest Rate)	7.60%	7.80%
Receivable With Imputed Interest, Term	14 years 8 months 12 days	15 years 2 months 12 days
Installment notes receivable on manufactured homes, net [Member] | Reported Value Measurement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes and other receivables, net		$ 85,866
Other receivables, net [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes and other receivables, net	$ 106,463	83,146
Notes receivable from real estate developers and operators
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes and other receivables, net	$ 284,035	$ 52,638	$ 18,960
Receivable with Imputed Interest, Effective Yield (Interest Rate)	7.20%	6.20%
Receivable With Imputed Interest, Term	10 months 24 days	1 year 9 months 18 days