Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, plant and equipment
Property, plant and equipment, gross	$ 741,986	$ 736,617
Less: accumulated depreciation	(405,246)	(395,563)
Total property, plant and equipment, net	336,740	341,054
Land
Property, plant and equipment
Property, plant and equipment, gross	6,560	6,560
Building and Improvements
Property, plant and equipment
Property, plant and equipment, gross	193,101	192,920
Furniture, Fixtures and Equipment
Property, plant and equipment
Property, plant and equipment, gross	401,161	398,099
Leasehold Improvements
Property, plant and equipment
Property, plant and equipment, gross	52,526	52,526
Construction in Progress
Property, plant and equipment
Property, plant and equipment, gross	$ 88,638	$ 86,512

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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