Inventories (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Inventory, Net [Abstract]
Raw materials	$ 318,348	$ 321,600	$ 328,080
Work in process	242,143	210,174	192,993
Finished goods	213,096	221,532	218,408
Less: Excess and obsolete reserve	(95,300)	(86,078)	(78,644)
Inventories, net	678,287	667,228	660,837
Inventory Write-down	$ 15,600	$ 14,900	$ 17,100