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Stock Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2016
Performance Based Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted	0	0
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years of service before cliff vesting	3 years	3 years
Weighted Average Grant-Date Fair Value, Granted	$ 17.34	$ 19.97
Unamortized Stock-Based Compensation	$ 9,238,000	$ 7,956,000
Remaining Weighted Average Period (years)	2 years 4 months 24 days	2 years
Number of Shares, Granted	290,679	254,972
Restricted Stock | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued by equity investee	290,679	254,972
Weighted Average Grant-Date Fair Value, Granted	$ 17.34	$ 19.97
Unvested Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized Stock-Based Compensation	$ 9,238,000
Remaining Weighted Average Period (years)	2 years 4 months 24 days
Performance Based Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant-Date Fair Value, Granted	$ 16.47	$ 18.79
Unamortized Stock-Based Compensation	$ 4,524,000	$ 3,562,000
Remaining Weighted Average Period (years)	2 years 4 months 24 days	2 years 4 months 24 days
Number of Shares, Granted	137,557	122,446
Targeted performance percentage	200.00%	200.00%	200.00%
Target performance percentage to meet performance incentive stock options based on market	125.00%
Additional expenses recognized	$ 0
Additional shares based on performance achievement	41,568
Performance Based Restricted Shares | Vested on March 9, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cliff vesting date	Mar. 28, 2022	Mar. 09, 2021
Performance Based Restricted Shares | Performance based stock options based upon financial performance of earnings before interest and tax ("EBIT") and net sales goal for the period commencing January 1, 2018 through December 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vesting based on Performance	80.00%
Earnings before income tax goal weight, percentage	50.00%
Net sales goal weight, percentage	30.00%
Performance Based Restricted Shares | Performance Based Shares Based Upon AVD Stock Price Appreciation Over the Course of the Period Commencing January 1, 2018 through December 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earnings before income tax goal weight, percentage	20.00%
Performance Based Restricted Shares | Performance based stock options based upon financial performance of earnings before interest and tax ("EBIT") and net sales goal for the period commencing January 1, 2017 through December 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vesting based on Performance		80.00%
Earnings before income tax goal weight, percentage		50.00%
Net sales goal weight, percentage		30.00%
Performance Based Restricted Shares | Performance Based Shares Based Upon AVD Stock Price Appreciation Over the Course of the Period Commencing January 1, 2017 through December 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earnings before income tax goal weight, percentage		20.00%
Performance Based Restricted Shares | Performance Based Shares Related to Net Income Weighted at 50%, Net Sales Weighted at 30%, Commencing January 1, 2018 and Ending December 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant-Date Fair Value, Granted	$ 17.34	$ 19.95
Performance Based Restricted Shares | Remaining 20% of Performance Based Shares are Based Upon AVD Stock Price Appreciation for the Period Commencing January 1, 2018 and Ending December 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Grant-Date Fair Value, Granted	$ 13.01	$ 16.49
Unvested Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized Stock-Based Compensation	$ 4,524,000
Remaining Weighted Average Period (years)	2 years 4 months 24 days

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