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The pro forma noninterest expense for a period as if the business combination or combinations had been completed at the beginning of the period.

No definition available.

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The pro forma noninterest income for a period as if the business combination or combinations had been completed at the beginning of the period.

No definition available.

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Other related cost relating to merger transaction during the period.

No definition available.

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Period Type:	duration

This element represents acquisition-related costs after tax incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

No definition available.

Name:	mfnc_BusinessCombinationAcquisitionRelatedCostsAfterTax
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The value of bank owned life insurance assets acquired at acquisition date.

No definition available.

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Period Type:	instant

Value of valuation marks on securities available for sale acquired at acquisition date.

No definition available.

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Period Type:	instant

The amount of allowance for receivables from customers or clients that acquired at the acquisition date.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The amount of allowances on loans reversed at acquisition date due to the loans recognized net of valuation marks.

No definition available.

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The value of valuation mark on loans acquired at acquisition date.

No definition available.

Name:	mfnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesValuationMark
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Amount of Federal Home Loan Bank borrowings assumed at the acquisition date.

No definition available.

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Period Type:	instant

The amount of Federal Reserve Bank and Federal Home Loan Bank stock recognized as of the acquisition date.

No definition available.

Name:	mfnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFederalHomeLoanBankStock
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Period Type:	instant

The amount of interest bearing deposits financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

No definition available.

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Period Type:	instant

The value of mortgage service rights acquired at the acquisition date.

No definition available.

Name:	mfnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMortgageServiceRights
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The amount of noninterest bearing deposits financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

No definition available.

Name:	mfnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonInterestBearingDepositsFinancialLiabilities
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of other real estate owned recognized as of the acquisition date.

No definition available.

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Period Type:	instant

Amount of valuation mark on other real estate owned acquired at the acquisition date.

No definition available.

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Period Type:	instant

Represents the number of banking offices.

No definition available.

Name:	mfnc_NumberOfBankingOffices
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Balance Type:	na
Period Type:	duration

Represent Purchase Price Abstract

No definition available.

Name:	mfnc_PurchasePriceAbstract
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Period Type:	duration

Number of days included in the operational results for the acquisition.

No definition available.

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of termination fees for early termination of data processing cost which the company has to payback the acquiree and expense at the acquisition date.

No definition available.

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Namespace Prefix:	mfnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of termination fees for early termination of data processing cost for which the company has to payback the acquiree and expense at the acquisition date.

No definition available.

Name:	mfnc_TerminationFees
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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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.

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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No definition available.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

No definition available.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Period Type:	duration

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of assets acquired at the acquisition date.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Period Type:	instant

Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Period Type:	instant

The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financial Liability
-URI http://asc.fasb.org/extlink&oid=6513127

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464

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

The amount of identifiable intangible assets recognized as of the acquisition date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Namespace Prefix:	us-gaap_
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Amount of liabilities assumed at the acquisition date.

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Namespace Prefix:	us-gaap_
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Period Type:	instant

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Period Type:	instant

The amount of property, plant, and equipment recognized as of the acquisition date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Name Accounting Standards Codification
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-Article 5

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Period Type:	instant

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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