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Network
2414406 - Disclosure - Income Taxes - Unrecognized Tax Benefits Activity (Details)
(http://www.calix.com/role/IncomeTaxesUnrecognizedTaxBenefitsActivityDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001406666 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Income Tax Disclosure [Abstract]
 
 
Unrecognized Tax Benefits [Roll Forward]
 
 
Balance at beginning of period
16,597,000  
15,421,000  
Additions for tax positions related to prior year
420,000  
56,000  
Reductions for tax positions related to prior year
(145,000) 
(59,000) 
Additions for tax positions related to current year
1,477,000  
1,179,000  
Balance at end of period
18,349,000  
 
16,597,000