Transaction Costs Allocated Between Liability And Equity Components

No definition available.

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- Definition

Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- 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

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Period Type:	duration

- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DebtInstrumentAxis=meli_TwoThousandNineteenConvertibleSeniorNotesMember
Namespace Prefix:
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Period Type:

Convertible Senior Notes (Carrying Amounts of Liability and Equity Components - Additional Information) (Details) - Convertible Senior Notes [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Aug. 31, 2018	Aug. 24, 2018	Jun. 30, 2014
2028 Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate			2.00%	2.00%
Transaction costs related to the equity component	$ 6,163
Remaining period over which the unamortized debt discount will be amortized	10 years
2019 Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					2.25%
Transaction costs related to the equity component	$ 236	$ 236
Remaining period over which the unamortized debt discount will be amortized	9 months 18 days