Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details)

v3.10.0.1
Acquisitions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 01, 2017
Apr. 03, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Business Acquisition [Line Items]          
Business acquisition purchase price paid in cash     $ 0 $ 114,039 $ 0
Telefonix, Incorporated          
Business Acquisition [Line Items]          
Percentage of acquired stock 100.00%        
Astronics Custom Control Concepts Inc. | Telefonix, Incorporated          
Business Acquisition [Line Items]          
Business acquisition purchase price paid in cash $ 103,800        
Cash acquired $ 200        
Astronics Custom Control Concepts Inc. | Custom Control Concepts LLC          
Business Acquisition [Line Items]          
Business acquisition purchase price paid in cash   $ 10,200      
Cash acquired   $ 500