LEASES - Lessee Future Minimum Payments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) community	Dec. 31, 2023 USD ($)
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	$ 189,729	$ 190,619
Weighted average remaining lease term	41 years 9 months 18 days	42 years
Weighted average discount rate	5.00%	5.00%
Future minimum lease payments
Total operating lease liabilities (discounted)	$ 184,961	$ 185,836
LAND
Future minimum lease payments
2024	9,332
2025	12,442
2026	12,442
2027	12,442
2028	12,442
Thereafter	405,452
Total future minimum lease payments (undiscounted)	464,552
Difference between future undiscounted cash flows and discounted cash flows	(279,591)
Total operating lease liabilities (discounted)	$ 184,961