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Acquisitions (Narratives) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Net income from continuing operations	$ 21,358	$ 6,229	$ 20,728	$ 9,618	$ 6,475	$ (16,976)	$ 14,332	$ (20,663)	$ 57,937	$ (16,833)	$ 58,461
Sales	220,986	$ 209,517	$ 211,129	$ 184,822	192,524	$ 184,370	$ 186,260	$ 192,136	826,455	755,290	826,324
Goodwill, Purchase Accounting Adjustments									(2,900)
Goodwill	$ 70,608				$ 67,708				70,608	67,708	81,404
Payments to Acquire Property, Plant, and Equipment									$ 27,361	$ 23,355	$ 50,864

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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