XML 107 R96.htm IDEA: XBRL DOCUMENT
v3.23.3

REGULATORY CAPITAL (Details) - Schedule of Bank’s Actual and Required Capital Levels | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Tier 1 leverage ratio [Member] | Parent [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Company |  | 12.12% | 12.57%
Tier 1 leverage ratio [Member] | Subsidiaries Two [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Bank |  | 11.11% | 11.13%
Required for capital adequacy purposes |  | 4.00% | 4.00%
To be well-capitalized under prompt corrective action provisions |  | 5.00% | 5.00%
CET1 [Member] | Parent [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Company |  | 16.33% | 17.16%
CET1 [Member] | Subsidiaries Two [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Bank |  | 14.97% | 15.22%
Required for capital adequacy purposes | [1] | 7.00% | 7.00%
To be well-capitalized under prompt corrective action provisions |  | 6.50% | 6.50%
Tier 1 risk-based capital ratio [Member] | Parent [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Company |  | 16.33% | 17.16%
Tier 1 risk-based capital ratio [Member] | Subsidiaries Two [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Bank |  | 14.97% | 15.22%
Required for capital adequacy purposes | [1] | 8.50% | 8.50%
To be well-capitalized under prompt corrective action provisions |  | 8.00% | 8.00%
Total risk-based capital ratio [Member] | Parent [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Company |  | 17.58% | 18.41%
Total risk-based capital ratio [Member] | Subsidiaries Two [Member] |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Bank |  | 16.22% | 16.47%
Required for capital adequacy purposes | [1] | 10.50% | 10.50%
To be well-capitalized under prompt corrective action provisions |  | 10.00% | 10.00%
[1] | Includes 2.50% capital conservation buffer

X
- Definition Ratio of Tier 1 risk-based capital to risk-weighted assets exceeding minimum required for capital adequacy as defined by regulatory framework. + References No definition available. + Details
Name: | mgyr_ExcessTierOneRiskBasedCapitalToRiskWeightedAssets1
Namespace Prefix: | mgyr_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework. + References No definition available. + Details
Name: | mgyr_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets1
Namespace Prefix: | mgyr_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References No definition available. + Details
Name: | mgyr_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets1
Namespace Prefix: | mgyr_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Tier 1 capital to average assets as defined by regulatory framework. + References No definition available. + Details
Name: | mgyr_TierOneLeverageCapitalToAverageAssets1
Namespace Prefix: | mgyr_
Data Type: | dtr:percentItemType
Balance Type: | na
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/2009/role/commonPracticeRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=mgyr_Tier1LeverageRatioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_ParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=mgyr_SubsidiariesTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=mgyr_CET1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=mgyr_Tier1RiskbasedCapitalRatioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=mgyr_TotalRiskbasedCapitalRatioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |