Note 4 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, plant and equipment, gross	$ 367,310	$ 241,687
Less: Accumulated Depreciation	(86,237)	(76,400)
Property, Plant and Equipment, Net, Ending Balance	281,073	165,288
Refrigeration Equipment [Member]
Property, plant and equipment, gross	107,703	97,568
Machinery and Equipment [Member]
Property, plant and equipment, gross	106,176	54,274
Land, Buildings and Improvements [Member]
Property, plant and equipment, gross	101,786	25,621
Furniture and Office Equipment [Member]
Property, plant and equipment, gross	5,687	4,932
Leasehold Improvements [Member]
Property, plant and equipment, gross	1,301	395
Automotive Equipment [Member]
Property, plant and equipment, gross	160	309
Construction in Progress [Member]
Property, plant and equipment, gross	$ 44,497	$ 58,587

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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