Name:	mfnc_FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAtFixedRate
Namespace Prefix:	mfnc_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Represents the fair value of financial liabilities at variable interest rates, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

No definition available.

Name:	mfnc_FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAtVariableRate
Namespace Prefix:	mfnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the percentage collateralization on off-balance sheet financial instruments permitted under commitments.

No definition available.

Name:	mfnc_FairValueDisclosureOffBalanceSheetRisksPercentageCollateralizationOnFinancialInstrumentPermittedUnderCommitments
Namespace Prefix:	mfnc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

Name:	us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.

Name:	us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Number of pending claims pertaining to a loss contingency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349