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

Stock Option and Purchase Plans - Summary of Weighted Average Exercise Prices and Contractual Lives for Outstanding and Exercisable Stock Options (Detail)

Stock Option and Purchase Plans - Summary of Weighted Average Exercise Prices and Contractual Lives for Outstanding and Exercisable Stock Options (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Shares	1,274,986	1,691,734	1,825,532	1,993,736
Outstanding, Weighted Average Exercise Price	$ 12.48	$ 8.70	$ 6.86	$ 5.59
Exercisable, Shares	1,037,137	1,379,438	1,402,154
Exercisable, Weighted Average Exercise Price	$ 8.71	$ 6.51	$ 5.60
Range One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Lower Range	$ 2.23
Exercise Price Upper Range	$ 2.88
Outstanding, Shares	53,022
Outstanding, Weighted Average Remaining Life in Years	1 month 6 days
Outstanding, Weighted Average Exercise Price	$ 2.87
Exercisable, Shares	53,022
Exercisable, Weighted Average Remaining Life in Years	1 month 6 days
Exercisable, Weighted Average Exercise Price	$ 2.87
Range Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Lower Range	$ 4.03
Exercise Price Upper Range	$ 5.89
Outstanding, Shares	566,855
Outstanding, Weighted Average Remaining Life in Years	3 years 10 months 24 days
Outstanding, Weighted Average Exercise Price	$ 4.41
Exercisable, Shares	566,855
Exercisable, Weighted Average Remaining Life in Years	3 years 10 months 24 days
Exercisable, Weighted Average Exercise Price	$ 4.41
Range Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Lower Range	$ 7.63
Exercise Price Upper Range	$ 8.39
Outstanding, Shares	113,057
Outstanding, Weighted Average Remaining Life in Years	2 years 2 months 12 days
Outstanding, Weighted Average Exercise Price	$ 7.76
Exercisable, Shares	113,057
Exercisable, Weighted Average Remaining Life in Years	2 years 2 months 12 days
Exercisable, Weighted Average Exercise Price	$ 7.76
Range Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Lower Range	$ 11.68
Exercise Price Upper Range	$ 20.73
Outstanding, Shares	406,602
Outstanding, Weighted Average Remaining Life in Years	6 years 7 months 6 days
Outstanding, Weighted Average Exercise Price	$ 15.40
Exercisable, Shares	279,879
Exercisable, Weighted Average Remaining Life in Years	6 years 2 months 12 days
Exercisable, Weighted Average Exercise Price	$ 15.52
Range Five [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Lower Range	$ 34.50
Exercise Price Upper Range	$ 54.47
Outstanding, Shares	135,450
Outstanding, Weighted Average Remaining Life in Years	9 years 4 months 24 days
Outstanding, Weighted Average Exercise Price	$ 45.17
Exercisable, Shares	24,324
Exercisable, Weighted Average Remaining Life in Years	9 years
Exercisable, Weighted Average Exercise Price	$ 47.76
Range Six [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Shares	1,274,986
Outstanding, Weighted Average Remaining Life in Years	5 years 1 month 6 days
Outstanding, Weighted Average Exercise Price	$ 12.48
Exercisable, Shares	1,037,137
Exercisable, Weighted Average Remaining Life in Years	4 years 3 months 18 days
Exercisable, Weighted Average Exercise Price	$ 8.71