|
FAIR VALUE (Details) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| FAIR VALUE [Abstract] |
|
|
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|
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|
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| Other equity securities |
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= us-gaap_FairValueInputsLevel3Member
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|
0us-gaap_EquityMethodInvestmentsFairValueDisclosure
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= us-gaap_FairValueInputsLevel3Member
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= us-gaap_FairValueMeasurementsRecurringMember
|
| Loans held for sale |
0us-gaap_LoansHeldForSaleFairValueDisclosure
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|
0us-gaap_LoansHeldForSaleFairValueDisclosure
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|
| Interest rate swaps |
224us-gaap_InterestRateDerivativeAssetsAtFairValue
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= us-gaap_FairValueMeasurementsRecurringMember
|
140us-gaap_InterestRateDerivativeAssetsAtFairValue
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|
| Interest rate swaps |
(224)us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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|
(140)us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
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= us-gaap_FairValueInputsLevel3Member
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= us-gaap_FairValueMeasurementsRecurringMember
|
| Nonrecurring Basis [Member] |
|
|
| Asset measured at fair value on non-recurring basis [Abstract] |
|
|
| Impaired loans |
10,780mcbc_ImpairedLoansFairValueDisclosure
/ us-gaap_FairValueByMeasurementFrequencyAxis
= us-gaap_FairValueMeasurementsNonrecurringMember
|
12,649mcbc_ImpairedLoansFairValueDisclosure
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= us-gaap_FairValueMeasurementsNonrecurringMember
|
| Other real estate owned |
23,291mcbc_OtherRealEstateFairValueDisclosure
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= us-gaap_FairValueMeasurementsNonrecurringMember
|
22,472mcbc_OtherRealEstateFairValueDisclosure
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= us-gaap_FairValueMeasurementsNonrecurringMember
|
| Nonrecurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |
|
|
| Asset measured at fair value on non-recurring basis [Abstract] |
|
|
| Impaired loans |
0mcbc_ImpairedLoansFairValueDisclosure
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|
0mcbc_ImpairedLoansFairValueDisclosure
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|
| Other real estate owned |
0mcbc_OtherRealEstateFairValueDisclosure
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|
0mcbc_OtherRealEstateFairValueDisclosure
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= us-gaap_FairValueMeasurementsNonrecurringMember
|
| Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member] |
|
|
| Asset measured at fair value on non-recurring basis [Abstract] |
|
|
| Impaired loans |
0mcbc_ImpairedLoansFairValueDisclosure
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|
0mcbc_ImpairedLoansFairValueDisclosure
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|
| Other real estate owned |
0mcbc_OtherRealEstateFairValueDisclosure
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|
0mcbc_OtherRealEstateFairValueDisclosure
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|
| Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
| Asset measured at fair value on non-recurring basis [Abstract] |
|
|
| Impaired loans |
10,780mcbc_ImpairedLoansFairValueDisclosure
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|
12,649mcbc_ImpairedLoansFairValueDisclosure
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|
| Other real estate owned |
23,291mcbc_OtherRealEstateFairValueDisclosure
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|
22,472mcbc_OtherRealEstateFairValueDisclosure
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|