PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 229,858	$ 221,293
Less: Accumulated depreciation	(97,979)	(92,461)
Property and equipment, net	131,879	128,832
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,642	2,642
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	76,213	76,600
Office and lab equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	109,967	107,168
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,452	16,221
Construction-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 24,584	$ 18,662

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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