FIXED ASSETS - Summary of Major Categories (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
FIXED ASSETS
Property, plant, and equipment, gross	$ 300,992	$ 273,641
Less: accumulated depreciation	(117,480)	(85,240)
Fixed assets, net	183,512	188,401
Machinery and equipment
FIXED ASSETS
Property, plant, and equipment, gross	118,684	117,264
Leasehold improvements
FIXED ASSETS
Property, plant, and equipment, gross	61,302	59,740
Computer equipment and software
FIXED ASSETS
Property, plant, and equipment, gross	15,360	13,197
Office furniture and equipment
FIXED ASSETS
Property, plant, and equipment, gross	2,420	2,883
Construction in progress
FIXED ASSETS
Property, plant, and equipment, gross	103,226	$ 80,557
Construction in progress \| Science Center Campus and Thermo Fisher
FIXED ASSETS
Property, plant, and equipment, gross	$ 22,700

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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