Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 182,771	$ 115,788
Cost of sales	136,707	82,631
Gross profit	46,064	33,157
Selling, general and administrative expenses	23,056	14,696
Gain on disposal of assets	(2)	0
Income from operations	23,010	18,461
Interest (expense) income, net	(190)	3
Other income, net	21	17
Income before taxes	22,841	18,481
Income tax provision	4,782	2,105
Net income	$ 18,059	$ 16,376
Earnings per share:
Basic (usd per share)	$ 0.34	$ 0.31
Diluted (usd per share)	$ 0.33	$ 0.30
Weighted average shares outstanding:
Basic (in shares)	52,613,232	52,293,464
Diluted (in shares)	53,950,995	53,814,644