Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net sales	$ 2,559,990	$ 2,312,253	$ 1,234,144
Costs and expenses
Cost of materials sold (excludes items shown separately below)	2,073,930	1,802,052	979,099
Warehouse and processing	104,668	103,017	83,091
Administrative and general	114,004	104,617	71,451
Distribution	60,529	55,404	44,728
Selling	40,174	41,881	26,050
Occupancy	13,200	12,500	9,662
Depreciation	17,285	17,952	17,936
Amortization	2,453	2,364	1,554
Total costs and expenses	2,426,243	2,139,787	1,233,571
Operating income	133,747	172,466	573
Other loss, net	45	36	73
Income before interest and income taxes	133,702	172,430	500
Interest and other expense on debt	10,080	7,631	7,411
Income (loss) before income taxes	123,622	164,799	(6,911)
Income tax provision (benefit)	32,691	43,748	(1,316)
Net income (loss)	90,931	121,051	(5,595)
Gain (loss) on cash flow hedges	4,409	2,960	(2,579)
Tax effect of hedges	1,102	740	(645)
Total comprehensive income (loss)	$ 94,238	$ 123,271	$ (7,529)
Net income (loss) per share - basic (in dollars per share)	$ 7.87	$ 10.53	$ (0.49)
Weighted average shares outstanding - basic (in shares)	11,551	11,492	11,447
Net income (loss) per share - diluted (in dollars per share)	$ 7.87	$ 10.52	$ (0.49)
Weighted average shares outstanding - diluted (in shares)	11,559	11,503	11,447
Dividends declared per share of common stock (in dollars per share)	$ 0.36	$ 0.08	$ 0.08