XML 56 R46.htm IDEA: XBRL DOCUMENT
v3.22.1

IMPAIRMENT OF INVESTMENT SECURITIES (Schedule of Gross Unrealized Losses and Fair Value for Both Available For Sale and Held To Maturity Securities) (Details) $ in Thousands | Mar. 31, 2022 USD ($) shares | Sep. 30, 2021 USD ($) shares
--- | --- | ---
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 62 | 36
Less Than 12 Months, Fair Value | $ 55,256 | $ 46,880
Less Than 12 Months, Unrealized Losses | (3,417) | (724)
12 Months Or Greater, Fair Value | 28,746 | 6,832
12 Months Or Greater, Unrealized Losses | (2,580) | (284)
Total, Fair Value | 84,002 | 53,712
Total, Unrealized Losses | $ (5,997) | $ (1,008)
Obligations of U.S. government agencies Mortgage backed securities - residential [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 3 | 3
Less Than 12 Months, Fair Value | $ 2,716 | $ 318
Less Than 12 Months, Unrealized Losses | (198) | (12)
12 Months Or Greater, Fair Value | 330 | 232
12 Months Or Greater, Unrealized Losses | (28) | (13)
Total, Fair Value | 3,046 | 550
Total, Unrealized Losses | $ (226) | $ (25)
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 672 | 703
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value | 672 | 703
Total, Unrealized Losses |  |
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 38 | 20
Less Than 12 Months, Fair Value | $ 38,206 | $ 33,690
Less Than 12 Months, Unrealized Losses | (2,581) | (539)
12 Months Or Greater, Fair Value | 13,349 | 1,610
12 Months Or Greater, Unrealized Losses | (1,448) | (58)
Total, Fair Value | 51,555 | 35,300
Total, Unrealized Losses | $ (4,029) | $ (597)
Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 14 | 7
Less Than 12 Months, Fair Value | $ 12,004 | $ 10,859
Less Than 12 Months, Unrealized Losses | (311) | (139)
12 Months Or Greater, Fair Value | 11,591 | 1,483
12 Months Or Greater, Unrealized Losses | (907) | (17)
Total, Fair Value | 23,595 | 12,342
Total, Unrealized Losses | $ (1,218) | $ (156)
Private label mortgage-backed securities residential [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares |  | 4
Less Than 12 Months, Fair Value |  | $ 2,013
Less Than 12 Months, Unrealized Losses |  | (34)
12 Months Or Greater, Fair Value |  |
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value |  | 2,013
Total, Unrealized Losses |  | $ (34)
Corporate securities [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 2,804 | 2,804
12 Months Or Greater, Unrealized Losses | (197) | (196)
Total, Fair Value | 2,804 | 2,804
Total, Unrealized Losses | $ (197) | $ (196)
Obligations of state and political subdivisions [Member] |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Number of Securities | shares | 5 |
Less Than 12 Months, Fair Value | $ 2,330 |
Less Than 12 Months, Unrealized Losses | (327) |
12 Months Or Greater, Fair Value |  |
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value | 2,330 |
Total, Unrealized Losses | $ (327) |

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as available for sale and held-to-maturity securities. + References No definition available. + Details
Name: | mgyr_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized as available for sale and held-to-maturity securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
Name: | mgyr_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized as available for sale and held-to-maturity securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
Name: | mgyr_AvailableForSaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents number of unrealized loss positions in available for sale and held to maturity securities. + References No definition available. + Details
Name: | mgyr_AvailableForSaleAndHeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions
Namespace Prefix: | mgyr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for securities which are categorized as available for sale and held-to-maturity securities. + References No definition available. + Details
Name: | mgyr_AvailableforsaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for securities categorized as available for sale and held-to-maturity securities. + References No definition available. + Details
Name: | mgyr_AvailableforsaleAndHeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents unrealized gain loss on held to maturity and available for sale securities. + References No definition available. + Details
Name: | mgyr_UnrealizedGainLossOnAvailableForSaleAndHeldToMaturitySecurities
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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_FinancialInstrumentAxis=mgyr_PrivateLabelMortgagebackedSecuritiesResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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