SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property and Equipment
Gross property and equipment	$ 884,597	$ 870,109
Less accumulated depreciation and amortization	(303,237)	(292,059)
Property and equipment, net	581,360	578,050
Land
Property and Equipment
Gross property and equipment	32,977	32,977
Land improvements
Property and Equipment
Gross property and equipment	10,939	10,939
Buildings
Property and Equipment
Gross property and equipment	475,956	475,956
Building improvements
Property and Equipment
Gross property and equipment	76,552	75,858
Furniture
Property and Equipment
Gross property and equipment	250,111	249,045
Construction in progress
Property and Equipment
Gross property and equipment	20,118	7,229
Right of use assets
Property and Equipment
Gross property and equipment	13,700	13,861
Leasehold improvements
Property and Equipment
Gross property and equipment	$ 4,244	$ 4,244

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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