Astronics Corporation Annual report pursuant to Section 13 and 15(d)

Revenue - Revenue Disaggregated by Market (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Sales	$ 198,412	$ 177,018	$ 189,098	$ 208,174	$ 202,917	$ 212,674	$ 208,606	$ 179,059	$ 772,702	$ 803,256	$ 624,464
Commercial Transport
Disaggregation of Revenue [Line Items]
Sales									523,921	536,269	414,523
Military
Disaggregation of Revenue [Line Items]
Sales									76,542	68,138	61,270
Business Jet
Disaggregation of Revenue [Line Items]
Sales									67,541	43,090	41,298
Other
Disaggregation of Revenue [Line Items]
Sales									24,605	28,128	17,512
Aerospace
Disaggregation of Revenue [Line Items]
Sales									692,609	675,625	534,603
Semiconductor
Disaggregation of Revenue [Line Items]
Sales									9,692	84,254	31,999
Aerospace & Defense
Disaggregation of Revenue [Line Items]
Sales									70,401	43,377	57,862
Test Systems
Disaggregation of Revenue [Line Items]
Sales									$ 80,093	$ 127,631	$ 89,861