XML 116 R103.htm IDEA: XBRL DOCUMENT
v3.24.4

REGULATORY CAPITAL (Details) | 12 Months Ended
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Sep. 30, 2024
Regulatory Capital [Line Items] |
Capital conservation percentage | 2.50%

X
- Definition Percentage of capital conservation. + References No definition available. + Details
Name: | mgyr_CapitalConservationPercentage
Namespace Prefix: | mgyr_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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