XML 107 R90.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

FAIR VALUE DISCLOSURES (Schedule of Assets Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Fair value measured on recurring basis: |  |
Securities available for sale | $ 16,703 | $ 22,469
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 14,708 | 18,613
Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 1,500 | 2,361
Fair Value, Measurements, Recurring [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 16,703 | 22,469
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 495 | 1,495
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 14,708 | 18,613
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 1,500 | 2,361
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 16,703 | 22,469
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 495 | 1,495
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 14,708 | 18,613
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale | 1,500 | 2,361
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Fair value measured on recurring basis: |  |
Securities available for sale |  |

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

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=mgyr_USGovernmentSponsoredEnterprisesDebtSecuritiesResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=mgyr_USGovernmentEnterprisesDebtSecuritiesResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |