| Component: (Network and Table) | |
|---|---|
| Network | 100550 - Disclosure - Income before provision for income taxes and losses on equity investment (Detail) (http://www.american-vanguard.com/20161231/taxonomy/role/DisclosureIncomeBeforeProvisionForIncomeTaxesAndLossesOnEquityInvestmentDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000005981 (http://www.sec.gov/CIK) |
| Income Tax Disclosure [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |
Income Tax Disclosure [Abstract] | |||
Domestic | ( | ||
Foreign | |||
Income before provision for income taxes and loss on equity investment | 18,917,000 | 8,962,000 | 3,644,000 |