| Component: (Network and Table) | |
|---|---|
| Network | 100440 - Disclosure - Summary of Value Option Grants Using Weighted Average Assumptions (Detail) (http://www.american-vanguard.com/20161231/taxonomy/role/DisclosureSummaryOfValueOptionGrantsUsingWeightedAverageAssumptionsDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000005981 (http://www.sec.gov/CIK) |
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | Period [Axis] |
|---|---|
2014-01-01 - 2014-12-31 | |
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | |
Risk free interest rate | |
Dividend yield | |
Volatility factor | |
Weighted average life (years) |