Transition Period - Statement of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2022	Dec. 31, 2020	Dec. 31, 2019
Condensed Financial Information Disclosure [Abstract]
Net sales	$ 206,075	$ 206,075	$ 93,722	$ 589,534	$ 552,560	$ 309,285
Cost of sales		126,984	58,125	441,077	323,758	198,702
Gross profit		79,091	35,597	148,457	228,802	110,583
Operating expenses:
Selling and marketing		23,480	24,686	99,204	78,337	94,595
General and administrative		12,060	7,656	51,783	36,176	30,242
Research and development		3,843	3,815	22,786	15,812	14,282
Total operating expenses		39,383	36,157	173,773	150,993	211,127
Operating (loss) income		39,708	(560)	(25,316)	77,809	(100,544)
Other income (expense):
Interest income		45	2	35	11	162
Interest expense		(214)	(627)	(1,580)	(1,498)	(980)
Other, net		(1,363)	41	(1,369)	(3,587)	(470)
Total other expense, net		(1,532)	(584)	(2,914)	(5,074)	(1,288)
(Loss) income from continuing operations before income taxes		38,176	(1,144)	(28,230)	72,735	(101,832)
Income tax (benefit) expense		7,595	(3,446)	(6,026)	12,198	(9,537)
(Loss) income from continuing operations	$ 30,581	30,581	2,302	(22,204)	60,537	(92,295)
Discontinued operations:
Loss from discontinued operations, net of income taxes		(177)	(118)	(227)	(689)	(505)
Income tax expense of discontinued operations		95		29	527	299
Loss from discontinued operations		(177)	(118)	(227)	(689)	(505)
Net (loss) income		$ 30,404	$ 2,184	$ (22,431)	$ 59,848	$ (92,800)
Basic net (loss) income per share
Basic income per share from continuing operations (in dollars per share)		$ 1.01	$ 0.08	$ (0.72)	$ 2.02	$ (3.11)
Basic income (loss) per share from discontinued operations (in dollars per share)		(0.01)	0	0	(0.03)	(0.02)
Basic net income per share (in dollars per share)		1.00	0.07	(0.72)	1.99	(3.13)
Diluted net (loss) income per share
Diluted income per share from continuing operations (in dollars per share)		0.94	0.08	(0.72)	1.88	(3.11)
Diluted income (loss) per share from discontinued operations (in dollars per share)		(0.01)	0	0	(0.02)	(0.02)
Diluted net income per share (in dollars per share)		$ 0.93	$ 0.07	$ (0.72)	$ 1.86	$ (3.13)
Shares used in per share calculations:
Basic (in shares)	30,416	30,416	29,796	31,029	30,007	29,684
Diluted (in shares)	32,642	32,642	30,584	31,029	32,123	29,684