Quarterly Result of Operations (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Sales	$ 100,204	$ 79,169	$ 82,110	$ 76,331	$ 92,953	$ 70,736	$ 60,564	$ 79,515	$ 337,814	$ 303,768	$ 381,765
Gross profit	55,707	42,331	45,482	40,407	50,780	36,298	28,896	43,873	183,927	159,847	198,132
Net income (loss)	$ (31,712)	$ (3,855)	$ (1,176)	$ (3,221)	$ 27,408	$ (3,024)	$ (8,932)	$ (14,823)	$ (39,964)	$ 629	$ (62,147)
Net (loss) income per share:
Basic earnings (loss) per share (in dollars per share)	$ (1.74)	$ (0.21)	$ (0.06)	$ (0.18)	$ 1.53	$ (0.17)	$ (0.50)	$ (0.84)	$ (2.20)	$ 0.04	$ (3.58)
Diluted EPS (in dollars per share)	$ (1.74)	$ (0.21)	$ (0.06)	$ (0.18)	$ 1.52	$ (0.17)	$ (0.50)	$ (0.84)	$ (2.20)	$ 0.04	$ (3.58)
Disaggregation of Revenue [Line Items]
Restructuring costs	$ 3,700	$ 1,400	$ 800	$ 1,500	$ 1,200	$ 300	$ 600	$ 13,700	$ 7,368	$ 15,806	$ 0
Noncash disposition expense										$ 400
Government Contract
Disaggregation of Revenue [Line Items]
Charges to income from price adjustment clauses							$ 600