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 of expense charged against earnings to allocate the cost of tangible and intangible assets over their remaining economic lives, classified as other.

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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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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services 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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PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property and equipment, net
Property and equipment, gross	$ 541,270		$ 541,270		$ 519,410
Less: accumulated depreciation and amortization	(231,696)		(231,696)		(204,754)
Property and equipment, net	309,574		309,574		314,656
Total depreciation and amortization expense	11,300	$ 11,700	34,500	$ 36,400
Land
Property and equipment, net
Property and equipment, gross	85,553		85,553		85,876
Leasehold improvements
Property and equipment, net
Property and equipment, gross	11,638		11,638		11,524
Furniture and fixtures
Property and equipment, net
Property and equipment, gross	8,218		8,218		8,271
Office and computer equipment
Property and equipment, net
Property and equipment, gross	21,845		21,845		21,657
Computer software
Property and equipment, net
Property and equipment, gross	8,016		8,016		6,945
Equipment
Property and equipment, net
Property and equipment, gross	199,683		199,683		185,348
Buildings
Property and equipment, net
Property and equipment, gross	161,507		161,507		156,616
Vehicles
Property and equipment, net
Property and equipment, gross	$ 44,810		$ 44,810		$ 43,173