XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.22.1

FAIR VALUE DISCLOSURES (Schedule of Additional Quantitative Information About Assets Measured at Fair Value) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Sep. 30, 2021
Fair Value, Nonrecurring [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value estimate | $ 9,448 |  | $ 11,770 |
Impaired Loans [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Valuation techniques | Appraisal of collateral | [1] | Appraisal of collateral | [2]
Unobservable Input | Appraisal adjustments | [1] | Appraisal adjustments | [2]
Impaired Loans [Member] | Fair Value, Nonrecurring [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value estimate | $ 8,799 |  | $ 11,134 |
Impaired Loans [Member] | Fair Value, Nonrecurring [Member] | Minimum [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (8.00%) |  |  |
Impaired Loans [Member] | Fair Value, Nonrecurring [Member] | Maximum [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (42.80%) |  | (42.80%) |
Impaired Loans [Member] | Fair Value, Nonrecurring [Member] | Weighted Average [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (27.00%) |  | (23.60%) |
Impaired Loans [Member] | Fair Value, Nonrecurring [Member] | Minimum [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral |  |  | (8.00%) |
Other Real Estate Owned [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Valuation techniques | Appraisal of collateral | [1] | Appraisal of collateral | [2]
Unobservable Input | Liquidation expenses | [1] | Liquidation expenses | [2]
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value estimate | $ 649 |  | $ 636 |
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member] | Minimum [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (28.00%) |  | (31.20%) |
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member] | Maximum [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (45.50%) |  | (45.50%) |
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member] | Weighted Average [Member] |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair value input- appraisal of collateral | (37.90%) |  | (39.40%) |
[1] | Fair value is generally determined through independent appraisals for the underlying collateral, which generally include various level 3 inputs which are not identifiable.
[2] | Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range and weighted average of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

X
- Definition Measure of appraisal of collateral, in percentage terms. + References No definition available. + Details
Name: | mgyr_FairValueAssumptionsAppraisalOfCollateral
Namespace Prefix: | mgyr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Fair value inputs, valuation technique. + References No definition available. + Details
Name: | mgyr_FairValueInputsValuationTechnique
Namespace Prefix: | mgyr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value of assets measured on a nonrecurring basis. + References No definition available. + Details
Name: | mgyr_FairValueOfAssetsNonrecurring
Namespace Prefix: | mgyr_
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 No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | mgyr_FairValueByMeasurementsFrequencyAxis=mgyr_FairValueMeasurementNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=mgyr_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mgyr_FairValueByMeasurementsFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=mgyr_OtherRealEstateOwnedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |