QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]
Sales	$ 190,995	$ 201,146	$ 194,982	$ 195,235	$ 166,847	$ 176,611	$ 174,939	$ 108,323	$ 782,358	$ 626,720	$ 395,521
Cost of sales	127,782	142,098	135,758	123,414	114,094	119,525	118,112	76,024	529,052	427,755	296,715
Gross profit	63,213	59,048	59,224	71,821	52,753	57,086	56,827	32,299	253,306	198,965	98,806
Advertising and promotion expenses	10,866	7,279	6,065	5,504	6,210	5,664	3,371	853	29,714	16,098	2,712
SG&A expenses	22,632	17,905	17,853	16,237	17,552	18,538	25,793	10,946	74,627	72,829	41,853
Insurance recoveries					(16,325)	0	0	0	0	(16,325)	0
Operating income	29,715	33,864	35,306	50,080	45,316	32,884	27,663	20,500	148,965	126,363	54,241
Interest expense, net	(960)	(1,350)	(1,543)	(1,598)	(1,329)	(1,116)	(1,104)	(488)	(5,451)	(4,037)	(2,267)
Other income (loss), net	(981)	(1,353)	(1,062)	54	(751)	(421)	(88)	30	(3,342)	(1,230)	627
Income before income taxes	27,774	31,161	32,701	48,536	43,236	31,347	26,471	20,042	140,172	121,096	52,601
Income tax expense (benefit)	5,263	7,533	7,339	11,165	11,578	7,674	6,412	4,615	31,300	30,279	12,256
Net income	$ 22,511	$ 23,628	$ 25,362	$ 37,371	$ 31,658	$ 23,673	$ 20,059	$ 15,427	$ 108,872	$ 90,817	$ 40,345
Basic EPS data (in USD per share)	$ 1.02	$ 1.07	$ 1.15	$ 1.69	$ 1.44	$ 1.08	$ 0.91	$ 0.90	$ 4.94	$ 4.37	$ 2.37
Diluted EPS data (in USD per share)	$ 1.01	$ 1.06	$ 1.15	$ 1.69	$ 1.44	$ 1.08	$ 0.91	$ 0.90	$ 4.92	$ 4.37	$ 2.37