Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Segment Information
Number of reportable segments | segment			3
Net sales	$ 396,738	$ 364,304	$ 1,154,661	$ 974,048
Income (Loss) from Operations	100,619	91,343	270,731	212,905
Total Assets	1,422,069	1,277,865	1,422,069	1,277,865	$ 1,232,569
Cash and cash equivalent	294,180	311,465	294,180	311,465	274,639
Intersegment elimination
Segment Information
Net sales	7,897	9,062	25,967	23,412
Administrative and all other
Segment Information
Income (Loss) from Operations	(4,165)	(2,628)	(7,378)	(7,170)
Total Assets	(93,360)	(463,777)	(93,360)	(463,777)	(58,799)
Cash and cash equivalent	219,700	244,500	219,700	244,500	199,800
North America
Segment Information
Net sales	338,591	316,902	989,711	852,759
Income (Loss) from Operations	96,954	87,378	261,487	213,135
Total Assets	1,274,937	1,524,482	1,274,937	1,524,482	1,059,967
North America | Intersegment elimination
Segment Information
Net sales	815	629	1,732	1,940
Europe
Segment Information
Net sales	54,832	44,766	155,567	114,877
Income (Loss) from Operations	7,517	6,074	15,681	7,100
Total Assets	207,744	186,051	207,744	186,051	198,647
Europe | Intersegment elimination
Segment Information
Net sales	1,226	1,193	4,386	3,755
Asia/Pacific
Segment Information
Net sales	3,315	2,636	9,383	6,412
Income (Loss) from Operations	313	519	941	(160)
Total Assets	32,748	31,109	32,748	31,109	$ 32,754
Asia/Pacific | Intersegment elimination
Segment Information
Net sales	$ 5,856	$ 7,240	$ 19,849	$ 17,717