XML 86 R70.htm IDEA: XBRL DOCUMENT
v3.25.3

OTHER REAL ESTATE OWNED (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Other Real Estate Owned [Abstract] |  |
Real estate owned properties | $ 2,200 | $ 3,700
Real estate sold properties total | 1,800 |
Real estate write down | $ 57 |

X
- Definition Real estate sold properties total. + References No definition available. + Details
Name: | mgyr_RealEstateSoldPropertiesTotal
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Real estate write down. + References No definition available. + Details
Name: | mgyr_RealEstateWriteDown
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of expense recognized in the income statement for a decrease in valuation of real estate owned (REO). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_RealEstateOwnedValuationAllowanceProvision1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration