XML 106 R90.htm IDEA: XBRL DOCUMENT
v3.25.3

401(K) EMPLOYEE CONTRIBUTION PLAN (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
401(K) Employee Contribution Plan [Abstract] |  |
Contributed amount | $ 278 | $ 255

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

X
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration