Goodwill and Other Intangible Assets - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Gross goodwill		$ 252,552
Accumulated goodwill impairment		(81,722)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 170,830
Goodwill from acquisition during period	32,864
Goodwill, ending balance	203,694
Electronic Systems
Goodwill [Line Items]
Gross goodwill		199,157
Accumulated goodwill impairment		(81,722)
Goodwill [Roll Forward]
Goodwill, beginning balance	117,435
Goodwill from acquisition during period	0
Goodwill, ending balance	117,435
Structural Systems
Goodwill [Line Items]
Gross goodwill		53,395
Accumulated goodwill impairment		$ 0
Goodwill [Roll Forward]
Goodwill, beginning balance	53,395
Goodwill from acquisition during period	32,864
Goodwill, ending balance	$ 86,259