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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Employees options granted |  |  |  |  |  |  | 0 |
Stock-based compensation | $ 588 |  |  | $ 458 |  |  | $ 1,656 | $ 2,943
Performance Incentive Stock Option |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | 11 |  |  | 12 |  |  | 64 | 100
Nonvested unamortized stock-based compensation expense, value | 173 |  |  |  |  |  | $ 173 |
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  |  |  | 1 year 2 months 12 days |
Incentive Stock Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | 71 |  |  | 94 |  |  | $ 252 | 325
Nonvested unamortized stock-based compensation expense, value | 497 |  |  | 1,009 |  |  | $ 497 | $ 1,009
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  |  |  | 1 year 2 months 12 days | 2 years 3 months 18 days
Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | $ 406 |  |  | $ 334 |  |  | $ 1,100 | $ 2,296
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  |  |  | 1 year 9 months 18 days | 1 year 6 months
Number of shares granted to employees | 1,668 | 140,541 |  | 13,196 | 21,005 | 30,000 | 142,209 | 64,201
Number of Shares, Vested | 2,566 | 22,639 | 127,274 | 19,000 | 28,505 | 192,266 |  |
Number of years of service before cliff vesting |  |  |  |  |  |  | 3 years | 3 years
Weighted Average Grant-Date Fair Value, Granted | $ 16.75 | $ 15.08 |  | $ 12.88 | $ 14.28 | $ 11.42 | $ 15.10 | $ 12.66
Unamortized Stock-Based Compensation other than options | $ 2,545 |  |  | $ 2,751 |  |  | $ 2,545 | $ 2,751
Restricted Stock | Vested immediately |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Shares, Vested |  |  |  |  |  |  | 21,139 | 21,005
Restricted Stock | Vest after three years |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Shares, Vested |  |  |  |  |  |  | 121,070 | 3,196
Restricted Stock | Vest after 90 days |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Shares, Vested |  |  |  |  |  |  |  | 7,500
Performance Based Restricted Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation | 100 |  |  | $ 18 |  |  | $ 240 | $ 222
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  |  |  | 1 year 4 months 24 days |
Number of shares granted to employees |  | 52,170 |  | 3,196 |  | 7,500 | 52,170 | 10,696
Weighted Average Grant-Date Fair Value, Granted |  | $ 14.39 |  | $ 12.37 |  | $ 10.96 |  |
Unamortized Stock-Based Compensation other than options | $ 857 |  |  |  |  |  | $ 857 |
Targeted performance percentage | 200.00% |  |  | 200.00% |  |  | 200.00% | 200.00%
Performance Based Restricted Shares | Vested on January 6, 2019 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Shares, Vested |  |  |  |  |  |  |  | 7,500
Cliff vesting date |  |  |  |  |  |  | Jan. 06, 2019 | Jan. 05, 2018
Performance Based Restricted Shares | Performance Based Shares Based Upon Financial Performance of Earnings before Interest Tax ("EBIT") and Net Sales Goal for the Period Commencing July 1, 2015 and Ending June 30, 2018 |  |  |  |  |  |  |  |
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 July 1, 2015, Ending June 30, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Percentage of shares vesting based on Performance |  |  |  |  |  |  | 20.00% |
Earnings before income tax goal weight, percentage |  |  |  |  |  |  |  | 20.00%
Performance Based Restricted Shares | Vested on August 1, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Shares, Vested |  |  |  |  |  |  |  | 3,196
Cliff vesting date |  |  |  |  |  |  |  | Aug. 01, 2018
Performance Based Restricted Shares | Performance Based Shares Based Upon Financial Performance of Earnings before Interest Tax ("EBIT") and Net Sales Goal for the Period Commencing January 1, 2016 and Ending June 30, 2018 |  |  |  |  |  |  |  |
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 Related to Net Income Weighted at 50%, Net Sales Weighted at 30%, Commencing July 1, 2015 and Ending June 30, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  |  |  | $ 15.08 |
Performance Based Restricted Shares | Remaining 20% of Performance Based Shares are Based Upon AVD Stock Price Appreciation for the Period Commencing July 1, 2015 and Ending June 30, 2018 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  |  |  | $ 11.63 |

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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=6415400&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=66902209&loc=d3e3602-108585 + 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=6415400&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=6415400&loc=d3e5070-113901 + Details
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