Note 9 - Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Land	$ 14,098	$ 10,566
Buildings and improvements	75,843	72,819
Machinery and equipment	208,954	185,416
Computer hardware and software	24,953	22,323
Leasehold improvements	7,341	7,330
Construction in progress	54,313	25,279
Total	385,502	323,733
Accumulated depreciation and amortization	(121,790)	(95,732)
Property and equipment, net	$ 263,712	$ 228,001	$ 166,440

The gross amount of computer hardware and software as of the balance sheet date.

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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 of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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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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