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100540 - Disclosure - Total Income Tax Expense Applying U.S. Federal Income Tax Rate (Detail)
(http://www.american-vanguard.com/20161231/taxonomy/role/DisclosureTotalIncomeTaxExpenseApplyingUSFederalIncomeTaxRateDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
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]
 
 
 
Computed tax expense at statutory federal rates
6,415,000  
3,010,000  
1,536,000  
Increase (decrease) in taxes resulting from:
 
 
 
State taxes, net of federal income tax benefit
702,000  
454,000  
(11,000) 
Domestic production deduction
(1,272,000) 
(179,000) 
420,000  
Income tax credits
(335,000) 
(662,000) 
(728,000) 
Foreign tax rate differential
(1,587,000) 
(1,590,000) 
(2,159,000) 
Subpart F income
14,000  
9,000  
338,000  
Equity investment
123,000  
223,000  
10,000  
Stock based compensation
208,000  
244,000  
219,000  
State tax rate change
116,000  
185,000  
(257,000) 
Tax interest
920,000  
  
Other expenses
236,000  
315,000  
181,000  
Total income tax expense (benefit)
5,540,000  
 
2,009,000  
 
(451,000)