Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 242,605	$ 138,571	$ 634,190	$ 398,235
Cost of sales	177,014	102,552	475,159	286,952
Gross profit	65,591	36,019	159,031	111,283
Selling, general and administrative expenses	28,891	15,897	78,880	47,488
Gain on disposal of assets	0	(15)	(12)	(15)
Income from operations	36,700	20,137	80,163	63,810
Interest expense, net	(954)	(10)	(1,694)	(11)
Other income (expense), net	54	(19)	295	37
Income before taxes	35,800	20,108	78,764	63,836
Income tax provision	8,327	4,527	17,286	11,264
Net income	$ 27,473	$ 15,581	$ 61,478	$ 52,572
Earnings per share:
Basic (in dollars per share)	$ 0.52	$ 0.30	$ 1.16	$ 1.00
Diluted (in dollars per share)	$ 0.51	$ 0.29	$ 1.14	$ 0.98
Weighted average shares outstanding:
Basic (in shares)	53,185,324	52,420,711	53,029,284	52,392,300
Diluted (in shares)	53,958,715	53,546,513	53,921,865	53,664,997