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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Employees options granted | 0 |  |  |  |  |  | 0 |
Stock-based compensation | $ 1,263 |  |  | $ 588 |  |  | $ 3,585 | $ 1,656
Number of shares granted to employees and directors |  |  |  |  |  |  | 290,977 |
Number of shares vested |  |  |  |  |  |  | 24,312 |
Number of shares expected to vest | 3,900 |  |  |  |  |  | 3,900 |
Number of years of service before cliff vesting |  |  |  |  |  |  | 3 years |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  |  |  | $ 16.24 |
Performance Based Stock Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | $ 249 |  |  | 11 |  |  | $ 347 | $ 64
Nonvested unamortized stock-based compensation expense, value | $ 69 |  |  |  |  |  | $ 69 |
Remaining Weighted Average Period (years) |  |  |  |  |  |  | 3 months 19 days |
Number of shares granted to employees and directors |  |  |  |  |  |  | 0 | 0
Targeted performance percentage | 200.00% |  |  |  |  |  | 200.00% |
Target performance percentage to meet performance measure based on net sales |  |  |  |  |  |  | 200.00% |
After One Year |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares expected to vest | 1,000 |  |  |  |  |  | 1,000 |
After Two Year |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares expected to vest | 2,500 |  |  |  |  |  | 2,500 |
Incentive Stock Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | $ 80 |  |  | 71 |  |  | $ 250 | $ 252
Nonvested unamortized stock-based compensation expense, value | 94 |  |  | 497 |  |  | $ 94 | $ 497
Remaining Weighted Average Period (years) |  |  |  |  |  |  | 3 months 19 days | 1 year 2 months 12 days
Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | $ 635 |  |  | $ 406 |  |  | $ 2,068 | $ 1,100
Remaining Weighted Average Period (years) |  |  |  |  |  |  | 1 year 2 months 13 days | 1 year 9 months 18 days
Number of shares granted to employees and directors | 1,000 | 38,502 | 251,475 | 1,668 | 140,541 |  |  |
Number of shares vested | 1,065 | 188,400 | 10,100 | 2,566 | 22,639 | 127,274 |  | 21,139
Number of years of service before cliff vesting |  |  |  |  |  |  |  | 3 years
Weighted Average Grant-Date Fair Value, Granted | $ 19.90 | $ 17.08 | $ 16.10 | $ 16.75 | $ 15.08 |  |  | $ 15.10
Shares issued by equity investee |  |  |  |  |  |  |  | 142,209
Unamortized Stock-Based Compensation | $ 4,475 |  |  | $ 2,545 |  |  | $ 4,475 | $ 2,545
Restricted Stock | After Three Year of Services. |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares expected to vest |  |  |  | 121,070 |  |  |  | 121,070
Performance Based Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | 299 |  |  | $ 100 |  |  | $ 920 | $ 240
Remaining Weighted Average Period (years) |  |  |  |  |  |  | 2 years | 1 year 4 months 24 days
Number of shares granted to employees and directors |  | 7,400 | 121,194 |  | 52,170 |  | 128,594 | 52,170
Number of shares vested |  | 48,046 |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  | $ 15.88 | $ 15.40 |  | $ 14.39 |  | $ 15.43 |
Unamortized Stock-Based Compensation | $ 1,901 |  |  | $ 857 |  |  | $ 1,901 | $ 857
Targeted performance percentage | 200.00% |  |  | 200.00% |  |  | 200.00% | 200.00%
Performance Based Restricted Stock | Vested on February 8, 2020 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Cliff vesting date |  |  |  |  |  |  | Feb. 08, 2020 | Jan. 06, 2019
Performance Based Restricted Stock | 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 taxes goal weight, percentage |  |  |  |  |  |  | 50.00% |
Net sales goal weight, percentage |  |  |  |  |  |  | 30.00% |
Performance Based Restricted Stock | 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 taxes goal weight, percentage |  |  |  |  |  |  | 20.00% |
Performance Based Restricted Stock | 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, 2016 and ending December 31, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Percentage of shares vesting based on Performance |  |  |  |  |  |  |  | 80.00%
Earnings before income taxes goal weight, percentage |  |  |  |  |  |  |  | 50.00%
Net sales goal weight, percentage |  |  |  |  |  |  |  | 30.00%
Performance Based Restricted Stock | Performance based stock options based upon AVD stock price appreciation over the course of the period commencing January 1, 2016 and ending December 31, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Earnings before income taxes goal weight, percentage |  |  |  |  |  |  |  | 20.00%
Performance Based Restricted Stock | Performance Based Shares Related to Net Income Weighted at 50%, Net Sales Weighted at 30%, Commencing January 1, 2017 and Ending December 31, 2019 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  |  |  | $ 16.10 |
Performance Based Restricted Stock | Remaining 20% of Performance Based Shares are Based Upon AVD Stock Price Appreciation for the Period Commencing January 1, 2017 and Ending December 31, 2019 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  |  |  | $ 12.60 |

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- Definition 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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