REVOLVING CREDIT LINE (Details) - Revolving Credit Line [Member] - USD ($) $ in Thousands		9 Months Ended
Feb. 17, 2015	Mar. 31, 2016
Line of Credit Facility [Line Items]
Aggregate borrowings	$ 40,000
Maximum specified percentage of eligible trade receivables considered for determining maximum borrowing capacity	80.00%
Description of variable rate basis		Bank Lender's prime rate
Termination date	Dec. 31, 2016
Amount of liquidity need to maintain	$ 6,750
Minimum [Member]
Line of Credit Facility [Line Items]
Applicable margin (as a percent)	0.50%
Maximum [Member]
Line of Credit Facility [Line Items]
Applicable margin (as a percent)	2.00%

Represents the amount of liquidity need to maintain under the debt covenant.

No definition available.

Name:	sedg_DebtInstrumentCovenantLiquidityNeedToMaintain
Namespace Prefix:	sedg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the maximum specified percentage of eligible trade receivables considered for determining maximum borrowing capacity under credit facility.

+ References

No definition available.

+ Details

Name:	sedg_LineOfCreditFacilityMaximumBorrowingCapacityShouldNotExceedSpecifiedPercentageOfEligibleTradeReceivables
Namespace Prefix:	sedg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- 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_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=sedg_RevolvingCreditLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: