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Network
2407402 - Disclosure - WARRANTY OBLIGATIONS - Summary of Warranty Activity (Details)
(http://enphase.com/role/WarrantyObligationsSummaryOfWarrantyActivityDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001463101 (http://www.sec.gov/CIK)
Product Warranties Disclosures [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Product Warranties Disclosures [Abstract]
 
 
 
Changes in the Company's product warranty liability
 
 
 
Balance, at beginning of year
30,547,000  
33,940,000  
30,432,000  
Accruals for warranties issued during the year
4,130,000  
4,383,000  
4,309,000  
Changes in estimates
2,562,000  
31,000  
8,391,000  
Settlements
(8,523,000) 
(7,269,000) 
(8,793,000) 
Increase due to accretion expense
1,772,000  
1,001,000  
195,000  
Fair value adjustments
926,000  
(1,539,000) 
(594,000) 
Balance, at end of year
31,414,000  
 
30,547,000  
 
33,940,000  
 
Less current portion
(8,596,000) 
(7,072,000) 
(7,607,000) 
Long-term portion
22,818,000  
23,475,000  
26,333,000