Represents the cost of available-for-sale securities that serve as collateral for borrowings.

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

Represents the floor rate on an interest rate debt instrument such as an interest rate floor. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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Namespace Prefix:	mfnc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the demand deposit accounts that serve as collateral for borrowings.

+ References

No definition available.

+ Details

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

- Definition

Represents the line of credit converted to a term note, period of anniversary.

+ References

No definition available.

+ Details

Name:	mfnc_LineOfCreditConvertedToTermNotePeriodOfAnniversary
Namespace Prefix:	mfnc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Cost of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at cost and pledged to counterparties as collateral for financing transactions.

+ References

No definition available.

+ Details

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

- Definition

The fair value of available-for-sale securities that serve as collateral for borrowings.

+ References

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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

- Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5086-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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BORROWINGS (Details) (USD $) In Thousands, unless otherwise specified															6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2014 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018	Dec. 31, 2013 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018	Jun. 30, 2013 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018	Dec. 31, 2012 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018	Jun. 30, 2014 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 Mortgage related and municipal securities	Dec. 31, 2013 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 Mortgage related and municipal securities	Jun. 30, 2014 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 Federal Home Loan Bank stock	Dec. 31, 2013 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 Federal Home Loan Bank stock	Jun. 30, 2014 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 One to four family residential real estate	Dec. 31, 2013 Federal Home Loan Bank fixed rate advances at December 31, 2013 with a weighted average rate of 1.82% maturing in 2014, 2016 and 2018 One to four family residential real estate	Jun. 30, 2014 Line of Credit	Dec. 31, 2013 Line of Credit	Dec. 31, 2013 Line of Credit 90-day LIBOR	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2014 First Rural Relending	Dec. 31, 2013 First Rural Relending
BORROWINGS
Borrowings	$ 42,087	$ 37,852	$ 35,925	$ 35,925	$ 35,000	$ 35,000	$ 35,000	$ 35,000							$ 500	$ 2,000		$ 852	$ 852	$ 925	$ 925
Interest rate on note (as a percent)					1.82%	1.82%												1.00%	1.00%
Loans pledged as collateral													44,140	43,454								125	128
Securities pledged as collateral, amortized cost									4,378	4,610
Securities pledged as collateral, fair value									4,530	4,755
Stock owned and pledged as collateral											3,060	3,060
Demand deposit account pledged as collateral																						$ 798	$ 790
Variable rate basis															90 days LIBOR	90 days LIBOR
Variable rate (as a percent)															2.75%		2.75%
Floor rate (as a percent)															4.00%	4.00%
LOC term																2 years
LOC converted to term note period of anniversary																1 year