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

Revenue - Disaggregated by Product Lines (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
Aerospace
Disaggregation of Revenue [Line Items]
Sales									692,609	675,625	534,603
Test Systems
Disaggregation of Revenue [Line Items]
Sales									80,093	127,631	89,861
Electrical Power & Motion
Disaggregation of Revenue [Line Items]
Sales									338,237	303,180	264,286
Lighting & Safety
Disaggregation of Revenue [Line Items]
Sales									185,462	174,383	158,663
Avionics
Disaggregation of Revenue [Line Items]
Sales									106,787	131,849	53,960
Systems Certification
Disaggregation of Revenue [Line Items]
Sales									14,401	13,951	14,333
Structures
Disaggregation of Revenue [Line Items]
Sales									23,117	24,134	25,849
Other
Disaggregation of Revenue [Line Items]
Sales									$ 24,605	$ 28,128	$ 17,512