PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 268,669	$ 260,563
Less: Accumulated depreciation	(123,388)	(117,118)
Property and equipment, net	145,281	143,445
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	102,247	99,586
Office and lab equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	133,729	129,697
Furniture, fixtures and computer related assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	18,323	18,071
Construction-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 11,728	$ 10,567