Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Performance Based Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
All outstanding awards, Intrinsic value, Vested	$ 711
Number of Shares, Granted	0	0
Incentive Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
All outstanding awards, Intrinsic value, Vested	$ 4,757
Remaining Weighted Average Period (years)		9 months 18 days
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	$ 19.97	$ 16.10
Unamortized Stock-Based Compensation	$ 7,956	$ 5,388
Remaining Weighted Average Period (years)	2 years	2 years 6 months
Number of Shares, Granted	254,972	251,475
Restricted Stock \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued by equity investee	254,972	251,475
Weighted Average Grant-Date Fair Value, Granted	$ 19.97	$ 16.10
Unvested Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized Stock-Based Compensation	$ 7,956	$ 5,388
Remaining Weighted Average Period (years)	2 years	1 year 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	$ 18.14	$ 15.40
Unamortized Stock-Based Compensation	$ 3,562	$ 2,385
Remaining Weighted Average Period (years)	2 years 4 months 24 days	2 years 6 months
Number of Shares, Granted	122,446	121,194
Targeted performance percentage		200.00%
Performance Based Restricted Shares \| Vested on March 9, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cliff vesting date	Mar. 09, 2021	Feb. 08, 2020
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	$ 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	$ 16.49
Unvested Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unamortized Stock-Based Compensation	$ 3,562	$ 2,385
Remaining Weighted Average Period (years)	2 years 4 months 24 days	1 year 3 months 18 days

Earnings Before Income Tax Goal Weighted Percentage

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Net Sales Goal Weighted Percentage

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vesting Date

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- Definition

Share Based Compensation Arrangements Maximum Target

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

Percentage of vesting of share-based compensation awards.

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Number of new stock issued during the period.

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