RETIREMENT PLAN (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
RETIREMENT PLAN
Minimum period of service to be completed in order to participate in the retirement plan	3 months
Minimum age to be attained in order to participate in the retirement plan	18 years
Employee's contribution limit as a percentage of annual compensation under the 401 (k) profit sharing plan	80.00%
Retirement plan contributions charged to operations	$ 198,000	$ 161,000	$ 125,000

Represents the limit of employee contribution to the plan per calendar year as a percentage of their annual compensation.

No definition available.

+ Details

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

- Definition

Represents the minimum age to be attained by the employees in order to participate in the retirement plan.

+ References

No definition available.

+ Details

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

- Definition

Represents the minimum period of service to be completed by the employees in order to participate in the retirement plan.

+ References

No definition available.

+ Details

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

- Details

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

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration