SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property and Equipment
Gross property and equipment	$ 949,708	$ 930,299
Less accumulated depreciation and amortization	(368,012)	(355,012)
Property and equipment, net	581,696	575,287
Land
Property and Equipment
Gross property and equipment	34,688	34,688
Land improvements
Property and Equipment
Gross property and equipment	11,263	11,263
Buildings
Property and Equipment
Gross property and equipment	474,469	474,469
Building improvements
Property and Equipment
Gross property and equipment	122,305	122,059
Furniture and equipment
Property and Equipment
Gross property and equipment	253,181	251,605
Construction in progress
Property and Equipment
Gross property and equipment	35,555	17,722
Right of use assets
Property and Equipment
Gross property and equipment	13,749	13,995
Leasehold improvements
Property and Equipment
Gross property and equipment	$ 4,498	$ 4,498