LEASES - Lessee Future Minimum Payments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) community	Dec. 31, 2022 USD ($)
Lease expense:
Number of communities subject to ground leases | community	6
Operating leases existence of option to extend	true
Operating lease right-of-use assets	$ 193,230	$ 194,081
Weighted average remaining lease term	42 years 4 months 24 days	42 years 7 months 6 days
Weighted average discount rate	5.00%	5.00%
Future minimum lease payments
Total operating lease liabilities (discounted)	$ 188,402	$ 189,238
LAND
Future minimum lease payments
2023	9,331
2024	12,442
2025	12,442
2026	12,442
2027	12,442
Thereafter	417,895
Total future minimum lease payments (undiscounted)	476,994
Difference between future undiscounted cash flows and discounted cash flows	(288,592)
Total operating lease liabilities (discounted)	$ 188,402