XML 65 R54.htm IDEA: XBRL DOCUMENT v3.21.2

WARRANTY OBLIGATIONS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Product Warranty Liability [Line Items]
Additional warranty expense	$ 3,593	$ 3,869	$ 15,517	$ 7,294
Increase In Replacement Cost Assumption Changes
Product Warranty Liability [Line Items]
Additional warranty expense	2,200		6,400
Field Performance Data And Diagnostic Root-Cause Failure Analysis
Product Warranty Liability [Line Items]
Additional warranty expense	$ 1,400	$ 3,900	$ 9,100	$ 7,300

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_IncreaseInReplacementCostAssumptionChangesMember
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: