XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.26.1

OTHER COMPREHENSIVE INCOME (LOSS) (Details) | 6 Months Ended
--- | ---
Mar. 31, 2026
Other Comprehensive Income (Loss) [Abstract] |
Income tax expense benefit tax rate for available for sale investments | 25.00%

X
- Definition Percentage of income tax expense benefit tax rate for available for sale investments. + References No definition available. + Details
Name: | mgyr_IncomeTaxExpenseBenefitTaxRateForAvailbleForSaleInvestments
Namespace Prefix: | mgyr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration