Annual report pursuant to Section 13 and 15(d)

PROFIT SHARING/401K PLAN - Narrative (Details)

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PROFIT SHARING/401K PLAN - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Defined contribution plan charges recognized $ 4.3      
Astronics Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Defined contribution plan charges recognized   $ 4.3 $ 3.3 $ 10.0