XML 110 R97.htm IDEA: XBRL DOCUMENT
v3.24.4

FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details) - Schedule of Information Regarding Derivatives - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Customer Interest Rate Swaps [Member] |  |
Derivative [Line Items] |  |
Notional Amount | $ 34,890 | $ 36,020
Average Maturity (Years) | 3 years 2 months 12 days | 4 years 2 months 12 days
Weighted Average Fixed Rate | 4.96% | 4.96%
Weighted Average Variable Rate | 1 Mo. BSBY + 2.44 | 1 Mo. BSBY + 2.44
Fair Value | $ 1,405 | $ 2,579
Classified in Other Assets [Member] |  |
Derivative [Line Items] |  |
Notional Amount | $ 34,890 | $ 36,020
Average Maturity (Years) | 3 years 2 months 12 days | 4 years 2 months 12 days
Weighted Average Fixed Rate | 4.96% | 4.96%
Fair Value | $ 1,405 | $ 2,579
3rd Party Interest Rate swaps [Member] |  |
Derivative [Line Items] |  |
Notional Amount | $ 34,890 | $ 36,020
Average Maturity (Years) | 3 years 2 months 12 days | 4 years 2 months 12 days
Weighted Average Fixed Rate | 4.96% | 4.96%
Weighted Average Variable Rate | 1 Mo. BSBY + 2.44 | 1 Mo. BSBY + 2.44
Fair Value | $ 1,405 | $ 2,579
Classified in Other Liabilities [Member] |  |
Derivative [Line Items] |  |
Notional Amount | $ 34,890 | $ 36,020
Average Maturity (Years) | 3 years 2 months 12 days | 4 years 2 months 12 days
Weighted Average Fixed Rate | 4.96% | 4.96%
Fair Value | $ 1,405 | $ 2,579

X
- Definition Weighted Average Variable Rate. + References No definition available. + Details
Name: | mgyr_DerivativesWeightedAverageVariableRate
Namespace Prefix: | mgyr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=mgyr_ClassifiedInOtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=mgyr_ThirdPartyInterestRateSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=mgyr_ClassifiedInOtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |