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v3.19.1

Segment Geographical Information and Major Customers (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Revenue, Major Customer [Line Items] |  |  |
Total revenues | $ 284,375 | $ 258,140 | $ 201,646
United States [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues | 137,066 | 123,113 | 100,470
Israel [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues | 103,850 | 91,917 | 58,079
Europe [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues | 28,257 | 26,635 | 23,642
Japan [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues | 9,797 | 9,253 | 11,226
Others [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues | $ 5,405 | $ 7,222 | $ 8,229

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- Definition Total revenues. + References No definition available. + Details
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Namespace Prefix: | mgic_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=mgic_OthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |