SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment Useful Lives and Impairment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Property and Equipment
Impairment charge	$ 0	$ 0
Land improvements | At least
Property and Equipment
Estimated useful life	15 years
Land improvements | Maximum
Property and Equipment
Estimated useful life	40 years
Buildings | At least
Property and Equipment
Estimated useful life	30 years
Buildings | Maximum
Property and Equipment
Estimated useful life	40 years
Building improvements | At least
Property and Equipment
Estimated useful life	5 years
Building improvements | Maximum
Property and Equipment
Estimated useful life	40 years
Furniture and equipment | At least
Property and Equipment
Estimated useful life	5 years
Furniture and equipment | Maximum
Property and Equipment
Estimated useful life	10 years
Equipment | At least
Property and Equipment
Estimated useful life	3 years
Equipment | Maximum
Property and Equipment
Estimated useful life	20 years