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Business Segments (Revenue by Shipping Location) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 541,068	$ 512,476
Percentage of net sales	100.00%	100.00%
Sales | United States | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 324,376	$ 323,322
Percentage of net sales	60.00%	63.20%
Sales | Canada | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 41,822	$ 30,492
Percentage of net sales	7.70%	5.90%
Sales | Europe & Africa | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 59,207	$ 37,438
Percentage of net sales	10.90%	7.30%
Sales | Middle East | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 48,352	$ 43,192
Percentage of net sales	8.90%	8.40%
Sales | Asia-Pacific | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 36,641	$ 48,067
Percentage of net sales	6.80%	9.40%
Sales | Latin America | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 30,670	$ 29,965
Percentage of net sales	5.70%	5.80%

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