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RECENT ACCOUNTING PRONOUNCEMENTS (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2015
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RECENT ACCOUNTING PRONOUNCEMENTS [Abstract] |
Amount of residential real estate loans foreclosed | $ 6.7mgyr_ForclosedLoans
Amount of consumer mortgage loans collateralized by residential real estate property in the process of foreclosure | $ 3.8mgyr_LoansInProcessOfForeclosure

X
- Definition Represents number of loans foreclosed. + References No definition available. + Details
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Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents number of loans are in the process of foreclosures. + References No definition available. + Details
Name: | mgyr_LoansInProcessOfForeclosure
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration