Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 761,435	$ 510,369	$ 515,698
Cost of sales	550,014	338,409	344,386
Gross profit	211,421	171,960	171,312
Selling, general and administrative expenses	163,502	130,331	133,130
(Gain) loss on disposal of fixed assets	(1,382)	3	0
Impairment charges	0	0	916
Other (income) expenses	0	(11,924)	0
Operating income	49,301	53,550	37,266
Interest expense, net	4,208	4,688	4,083
Income from continuing operations before income taxes	45,093	48,862	33,183
Income tax expense	11,555	12,093	8,968
Income from continuing operations	33,538	36,769	24,215
Income from discontinued operations, net of income taxes	0	0	118
Net income	$ 33,538	$ 36,769	$ 24,333
Income per common share from continuing operations:
Basic	$ 0.93	$ 1.03	$ 0.68
Diluted	0.92	1.02	0.68
Income per common share from discontinued operations:
Basic	0	0	0
Diluted	0	0	0
Net income per common share:
Basic	0.93	1.03	0.68
Diluted	0.92	1.02	0.68
Dividends declared per share	$ 0.54	$ 0.54	$ 0.54