XML 59 R48.htm IDEA: XBRL DOCUMENT
v3.21.2

WARRANTY OBLIGATIONS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | $ 4,269 | $ 1,748 | $ 11,924 | $ 3,425
Timing Of Cost Reduction Assumptions For Replacements Products |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | 2,900 |  | 2,900 |
Field Performance Data And Diagnostic Root-Cause Failure Analysis |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense | $ 1,400 | $ 1,700 | 7,700 | $ 3,400
Other Cost Assumptions Changes |  |  |  |
Product Warranty Liability [Line Items] |  |  |  |
Additional warranty expense |  |  | $ 1,300 |

X
- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
Name: | us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductWarrantyLiabilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | enph_WarrantyVariableAxis=enph_TimingOfCostReductionAssumptionsForReplacementsProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enph_WarrantyVariableAxis=enph_FieldPerformanceDataAndDiagnosticRootCauseFailureAnalysisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enph_WarrantyVariableAxis=enph_OtherCostAssumptionsChangesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |