Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

v3.19.3.a.u2
Commitments and Contingencies - Narrative (Details)
$ in Thousands
 12 Months Ended
Apr. 11, 2018
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Loss Contingencies        
Total gain (loss) on litigation settlement   $ (19,619) $ (1,000) $ 0
Lufthansa | Astronics Advanced Electronic Systems Corp. | Patent Infringement | Germany        
Loss Contingencies        
Claims sought $ 6,200      
Litigation settlement, amount awarded to other party, excluding interest   3,200    
Litigation settlement, amount awarded to other party   4,500    
Loss contingency accrual   4,500 $ 1,000  
Incremental reserve   3,500    
Indirect Sales | Astronics Advanced Electronic Systems Corp. | Patent Infringement | Germany        
Loss Contingencies        
Loss contingency, estimate of possible loss, excluding interest   $ 11,600    
Interest rate accrued above bank rate until final payment   0.05    
Litigation settlement interest   $ 4,500    
Total gain (loss) on litigation settlement   $ 16,100