Note 7 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Property and equipment, at cost	$ 429,810	$ 413,396
Financing lease	3,144	2,710
Accumulated depreciation	(281,478)	(266,340)
Net property and equipment	$ 148,332	147,056
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years
Land [Member]
Property and equipment, at cost	$ 15,058	15,238
Land Improvements [Member]
Property and equipment, at cost	$ 4,160	3,780
Land Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Land Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Building and Building Improvements [Member]
Property and equipment, at cost	$ 141,585	141,979
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	30 years
Machinery and Equipment [Member]
Property and equipment, at cost	$ 221,375	210,410
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	2 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years
Furniture and Fixtures [Member]
Property and equipment, at cost	$ 6,829	6,229
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Software and Software Development Costs [Member]
Property and equipment, at cost	$ 25,338	25,053
Software and Software Development Costs [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	2 years
Software and Software Development Costs [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Vehicles [Member]
Property and equipment, at cost	$ 4,049	3,054
Vehicles [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	2 years
Vehicles [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Construction in Progress [Member]
Property and equipment, at cost	$ 8,272	$ 4,943

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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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