Quarterly report pursuant to Section 13 or 15(d)

FEDERAL INCOME TAXES (Details)

v2.4.1.9
FEDERAL INCOME TAXES (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Income tax expense (benefit) [Abstract]      
Current $ 653,000us-gaap_CurrentIncomeTaxExpenseBenefit $ 23,000us-gaap_CurrentIncomeTaxExpenseBenefit  
Deferred 592,000us-gaap_DeferredIncomeTaxExpenseBenefit 1,154,000us-gaap_DeferredIncomeTaxExpenseBenefit  
Income tax expense (benefit) 1,245,000us-gaap_IncomeTaxExpenseBenefit 1,177,000us-gaap_IncomeTaxExpenseBenefit  
Difference between financial statement tax expense (benefit) and amount computed by applying statutory federal tax rate to pretax income [Abstract]      
Statutory rate (in hundredths) 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate  
Statutory rate applied to income before taxes 1,430,000us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate 1,336,000us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate  
Add (deduct) [Abstract]      
Tax-exempt interest income (117,000)us-gaap_IncomeTaxReconciliationTaxExemptIncome (85,000)us-gaap_IncomeTaxReconciliationTaxExemptIncome  
Bank-owned life insurance (57,000)us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance (54,000)us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance  
Other, net (11,000)us-gaap_IncomeTaxReconciliationOtherReconcilingItems (20,000)us-gaap_IncomeTaxReconciliationOtherReconcilingItems  
Income tax expense (benefit) 1,245,000us-gaap_IncomeTaxExpenseBenefit 1,177,000us-gaap_IncomeTaxExpenseBenefit  
Deferred tax assets [Abstract]      
Allowance for loan losses 6,538,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses   6,637,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
Nonaccrual loan interest 984,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves   935,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves
Valuation allowance on other real estate owned 5,215,000mcbc_DeferredTaxAssetsValuationAllowanceOnOtherRealEstateOwned   5,190,000mcbc_DeferredTaxAssetsValuationAllowanceOnOtherRealEstateOwned
Unrealized loss on securities available for sale 0us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross   0us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross
Other 1,293,000us-gaap_DeferredTaxAssetsOther   1,896,000us-gaap_DeferredTaxAssetsOther
Gross deferred tax assets 14,030,000us-gaap_DeferredTaxAssetsGross   14,658,000us-gaap_DeferredTaxAssetsGross
Valuation allowance 0us-gaap_DeferredTaxAssetsValuationAllowance   0us-gaap_DeferredTaxAssetsValuationAllowance
Total net deferred tax assets 14,030,000us-gaap_DeferredTaxAssetsNet   14,658,000us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities [Abstract]      
Depreciation (1,871,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment   (1,908,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Prepaid expenses (21,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses   (21,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Unrealized gain on securities available for sale (452,000)mcbc_DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities   (33,000)mcbc_DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities
Other (432,000)us-gaap_DeferredTaxLiabilitiesOther   (431,000)us-gaap_DeferredTaxLiabilitiesOther
Gross deferred tax liabilities (2,776,000)us-gaap_DeferredTaxLiabilities   (2,393,000)us-gaap_DeferredTaxLiabilities
Net deferred tax asset 11,254,000us-gaap_DeferredTaxAssetsLiabilitiesNet   12,265,000us-gaap_DeferredTaxAssetsLiabilitiesNet
Unrecognized tax benefits $ 0us-gaap_UnrecognizedTaxBenefits   $ 0us-gaap_UnrecognizedTaxBenefits
Period when unrecognized tax benefits is not expected to significantly increase or decrease 12 months