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ORGANIZATION Narrative (Details) | Sep. 30, 2022
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Magyar Bank [Member] |
Ownership of subsidiaries | 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
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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