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ORGANIZATION (Details) | Sep. 30, 2025
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Magyar Bank [Member] |
Organization [Line Items] |
Ownership of subsidiries | 100.00%
Hungaria Urban Renewal, LLC [Member] |
Organization [Line Items] |
Ownership of subsidiries | 100.00%

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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

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- Details
Name: | srt_OwnershipAxis=mgyr_MagyarBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_OwnershipAxis=mgyr_HungariaUrbanRenewalLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |