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Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, plant and equipment
Property, plant and equipment, gross	$ 718,795	$ 706,146
Less: accumulated depreciation	(374,846)	(356,143)
Total property, plant and equipment, net	343,949	350,003
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	179,387	178,194
Furniture, Fixtures and Equipment
Property, plant and equipment
Property, plant and equipment, gross	371,787	366,051
Leasehold Improvements
Property, plant and equipment
Property, plant and equipment, gross	53,027	52,508
Construction in Progress
Property, plant and equipment
Property, plant and equipment, gross	$ 108,034	$ 102,833

X

- Definition

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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