Other Assets - Notes Receivable, Net (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Accounts Receivable, Net
Notes receivable, net	$ 422	$ 1,742
Accrued interest receivable	935	2,938
Notes Receivable
Accounts Receivable, Net
Accrued interest receivable	100	100
Notes Receivable | Maximum
Accounts Receivable, Net
Allowance for credit losses, Notes receivable	100	100
Various interest-bearing homebuilder notes, secured by the real estate sold - bearing interest at a rate of 5.5%, paid in full May 2023
Accounts Receivable, Net
Notes receivable, net		$ 1,296
Interest rate, note (as a percent)		5.50%
Interest bearing notes with JV partner, secured by the partner's membership interest in the JV - bearing interest at a rate of 8.0%, due May 2039
Accounts Receivable, Net
Notes receivable, net	$ 359	$ 359
Interest rate, note (as a percent)	8.00%	8.00%
Non-interest bearing note with a tenant for tenant improvements, due October 2025
Accounts Receivable, Net
Notes receivable, net	$ 59	$ 68
Mortgage note, secured by certain real estate, bearing interest at a rate of 6.6% due November 2023
Accounts Receivable, Net
Notes receivable, net	$ 4	$ 19
Interest rate, mortgage (as a percent)	6.60%	6.60%