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Component: (Network and Table)
Network
2409406 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details)
(http://www.a10networks.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001580808 (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]
 
 
 
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
 
 
 
Gross unrecognized tax benefits—beginning balance
2,552,000  
2,195,000  
1,846,000  
Increases (decrease) related to tax positions from prior years
66,000  
(4,000) 
340,000  
Increases related to tax positions taken during current year
690,000  
361,000  
278,000  
Decreases related to tax positions taken during the current year
0  
0  
(269,000) 
Gross unrecognized tax benefits—ending balance
3,308,000  
 
2,552,000  
 
2,195,000