XML 13 R48.htm IDEA: XBRL DOCUMENT
v3.20.1

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, 2020 USD ($) N | Sep. 30, 2019 USD ($) N
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 10 | 17
Less Than 12 Months, Fair Value | $ 1,461 | $ 1,219
Less Than 12 Months, Unrealized Losses | (34) | (4)
12 Months Or Greater, Fair Value | 7,500 | 18,335
12 Months Or Greater, Unrealized Losses | (723) | (461)
Total, Fair Value | 8,961 | 19,554
Total, Unrealized Losses | $ (757) | $ (465)
Obligations of U.S. government agencies Mortgage backed securities - residential [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 2 | 2
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 380 | 392
12 Months Or Greater, Unrealized Losses | (37) | (54)
Total, Fair Value | 380 | 392
Total, Unrealized Losses | $ (37) | $ (54)
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 804 | 836
12 Months Or Greater, Unrealized Losses | (6) | (6)
Total, Fair Value | 804 | 836
Total, Unrealized Losses | $ (6) | $ (6)
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 5 | 13
Less Than 12 Months, Fair Value | $ 1,228 | $ 1,219
Less Than 12 Months, Unrealized Losses |  | (4)
12 Months Or Greater, Fair Value | 3,952 | 14,429
12 Months Or Greater, Unrealized Losses | (44) | (78)
Total, Fair Value | 5,180 | 15,648
Total, Unrealized Losses | $ (44) | $ (82)
Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 1 |
Less Than 12 Months, Fair Value | $ 233 |
Less Than 12 Months, Unrealized Losses | (34) |
12 Months Or Greater, Fair Value |  |
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value | 233 |
Total, Unrealized Losses | $ (34) |
Corporate securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 2,364 | 2,678
12 Months Or Greater, Unrealized Losses | (636) | (323)
Total, Fair Value | 2,364 | 2,678
Total, Unrealized Losses | $ (636) | $ (323)

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=us-gaap_CorporateNoteSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |