$MBWM
Mercantile Bank Corp Stock $mbwm

$mbwm Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-Q Financial Statement

#000119312513437470 Filed on November 12, 2013

Income Statement

Concept	2013 Q4	2013 Q3	2012 Q3
Revenue	$15.37M	$14.67M	$14.77M
YoY Change	4.82%	-0.68%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$580.0K	$300.0K	$300.0K
YoY Change	1.75%	0.0%	-44.44%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$2.673M	$3.184M
YoY Change		-16.05%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$7.700M	$5.455M	$3.856M
YoY Change	78.24%	41.47%	27.68%
Income Tax	$2.540M	$2.000M	$1.240M
% Of Pretax Income	32.99%	36.66%	32.16%
Net Earnings	$5.160M	$3.453M	$2.616M
YoY Change	69.18%	32.0%	-13.38%
Net Earnings / Revenue	33.57%	23.54%	17.71%
Basic Earnings Per Share	$0.59	$0.40	$0.30
Diluted Earnings Per Share	$0.59	$0.40	$0.30
COMMON SHARES
Basic Shares Outstanding	8.708M shares	8.707M shares	8.623M shares
Diluted Shares Outstanding		8.725M shares	8.654M shares

Balance Sheet

Concept	2013 Q4	2013 Q3	2012 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$24.90M	$25.16M	$26.10M
YoY Change	-3.94%	-3.61%	-2.97%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$17.80M	$19.80M	$22.80M
YoY Change	-19.09%	-13.16%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.427B	$1.422B	$1.388B
YoY Change	0.28%	2.42%	-6.06%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.800M	$7.000M	$6.800M
YoY Change	-30.95%	2.94%	-1.45%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$69.30M	$65.70M	$60.00M
YoY Change	6.94%	9.5%	-13.42%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.800M	$7.000M	$6.800M
YoY Change	-30.95%	2.94%	-1.45%
LONG-TERM LIABILITIES
Long-Term Debt	$34.60M	$33.00M	$34.40M
YoY Change	4.85%	-4.07%	-0.86%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$34.60M	$33.00M	$34.40M
YoY Change	4.85%	-4.07%	-0.86%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.800M	$7.000M	$6.800M
Total Long-Term Liabilities	$34.60M	$33.00M	$34.40M
Total Liabilities	$1.274B	$1.272B	$1.244B
YoY Change	-0.21%	2.28%	-7.27%
SHAREHOLDERS EQUITY
Retained Earnings	-$4.101M	-$9.264M
YoY Change	-80.6%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$153.3M	$149.8M	$144.6M
YoY Change
Total Liabilities & Shareholders Equity	$1.427B	$1.422B	$1.388B
YoY Change	0.28%	2.42%	-6.06%

Cashflow Statement

Concept	2013 Q4	2013 Q3	2012 Q3
OPERATING ACTIVITIES
Net Income	$5.160M	$3.453M	$2.616M
YoY Change	69.18%	32.0%	-13.38%
Depreciation, Depletion And Amortization	$580.0K	$300.0K	$300.0K
YoY Change	1.75%	0.0%	-44.44%
Cash From Operating Activities	$6.710M	$5.520M	-$770.0K
YoY Change	-31.74%	-816.88%	-224.19%
INVESTING ACTIVITIES
Capital Expenditures	-$80.00K	-$120.0K	-$280.0K
YoY Change	-46.67%	-57.14%	115.38%
Acquisitions
YoY Change
Other Investing Activities	$14.24M	-$15.03M	$20.86M
YoY Change	-252.46%	-172.05%	-66.71%
Cash From Investing Activities	$14.16M	-$15.14M	$20.59M
YoY Change	-249.05%	-173.53%	-67.08%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	170.0K	77.57M	1.710M
YoY Change	-99.46%	4436.26%	-102.65%
NET CHANGE
Cash From Operating Activities	6.710M	5.520M	-770.0K
Cash From Investing Activities	14.16M	-15.14M	20.59M
Cash From Financing Activities	170.0K	77.57M	1.710M
Net Change In Cash	21.04M	67.95M	21.53M
YoY Change	-34.27%	215.61%	-1756.15%
FREE CASH FLOW
Cash From Operating Activities	$6.710M	$5.520M	-$770.0K
Capital Expenditures	-$80.00K	-$120.0K	-$280.0K
Free Cash Flow	$6.790M	$5.640M	-$490.0K
YoY Change	-31.96%	-1251.02%	-165.33%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q3	us-gaap	Stockholders Equity StockholdersEquity	144558000
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	11959000
CY2012Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	63214000
CY2012Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	103995000
CY2012Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	972074000
CY2012Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1035288000
CY2013Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8707534	shares
CY2012Q1	us-gaap	Subordinated Debt SubordinatedDebt	32000000
CY2011Q2	us-gaap	Derivative Cap Interest Rate DerivativeCapInterestRate	0.0125	pure
CY2011Q2	mbwm	Notional Amount Of Sold Interest Rate Cap NotionalAmountOfSoldInterestRateCap	100000000
CY2012Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	29689000
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	27762000
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	15803000
CY2013Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24947000
CY2013Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2013Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8707534	shares
CY2013Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Checking PercentageOfInterestBearingDomesticDepositsToDepositsChecking	0.175	pure
CY2013Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2013Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2013Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Weighted Average Interest Rate FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate	0.0134	pure
CY2013Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	45000000
CY2013Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	32990000
CY2013Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20771000
CY2013Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	905454000
CY2013Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.121	pure
CY2013Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0013	pure
CY2013Q3	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.047	pure
CY2013Q3	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	45000000
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25195000
CY2013Q3	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	6990000
CY2013Q3	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	45146000
CY2013Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	195964000
CY2013Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4531000
CY2013Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25195000
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	15063000
CY2013Q3	us-gaap	Time Deposits100000 Or More Domestic TimeDeposits100000OrMoreDomestic	257651000
CY2013Q3	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	136363000
CY2013Q3	us-gaap	Stockholders Equity StockholdersEquity	149834000
CY2013Q3	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	52993000
CY2013Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0
CY2013Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	150000000
CY2013Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	94000000
CY2013Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	15063000
CY2013Q3	us-gaap	Deposits Deposits	1121509000
CY2013Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-9264000
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	0
CY2013Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1422003000
CY2013Q3	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	216055000
CY2013Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	65680000
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10132000
CY2013Q3	us-gaap	Liabilities Liabilities	1272169000
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	0
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	0
CY2013Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	0
CY2013Q3	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	163629000
CY2013Q3	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	377135000
CY2013Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	10526000
CY2013Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	33207000
CY2013Q3	us-gaap	Federal Funds Sold FederalFundsSold	86283000
CY2013Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	130370000
CY2013Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1050292000
CY2013Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-2700000
CY2013Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	42400000
CY2013Q3	us-gaap	Assets Assets	1422003000
CY2013Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	6134000
CY2013Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	19771000
CY2013Q3	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	47000
CY2013Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	3403000
CY2013Q3	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	0
CY2013Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2013Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	45930000
CY2013Q3	us-gaap	Interest Receivable InterestReceivable	3777000
CY2013Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	71901000
CY2013Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	7877000
CY2013Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	50277000
CY2013Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	125918000
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CY2013Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	123793000
CY2013Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	3549000
CY2013Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	11961000
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CY2013Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	42797000
CY2013Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	12456000
CY2013Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	6428000
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CY2013Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1025210000
CY2013Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1075487000
CY2013Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	51073000
CY2013Q3	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	1400000
CY2013Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	78035000
CY2013Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	55253000
CY2013Q3	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	3356000
CY2013Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25159000
CY2013Q3	mbwm	Percentage Of Out Of Area Interest Bearing Checking PercentageOfOutOfAreaInterestBearingChecking	0.000	pure
CY2013Q3	mbwm	Out Of Area Interest Bearing Checking OutOfAreaInterestBearingChecking	0
CY2013Q3	mbwm	Aggregate Out Of Area Time Deposits AggregateOutOfAreaTimeDeposits	217337000
CY2013Q3	mbwm	Percentage Of Time Deposits Less Than Hundred Thousands To Deposits PercentageOfTimeDepositsLessThanHundredThousandsToDeposits	0.040	pure
CY2013Q3	mbwm	Percentage Of Out Of Area Time Less Than Hundred Thousands PercentageOfOutOfAreaTimeLessThanHundredThousands	0.004	pure
CY2013Q3	mbwm	Percentage Of Time Deposits Equal To Greater Than Hundred Thousands To Deposits PercentageOfTimeDepositsEqualToGreaterThanHundredThousandsToDeposits	0.230	pure
CY2013Q3	mbwm	Loan Portfolio Classes And Segments As Percentage Of Aggregate Loans LoanPortfolioClassesAndSegmentsAsPercentageOfAggregateLoans	1.000	pure
CY2013Q3	mbwm	Financing Receivable Past Due Ninety Days Or More And Still Accruing Interest And Nonaccrual Loans And Troubled Debt Restructurings Accruing Interest Net FinancingReceivablePastDueNinetyDaysOrMoreAndStillAccruingInterestAndNonaccrualLoansAndTroubledDebtRestructuringsAccruingInterestNet	10526000
CY2013Q3	mbwm	Weighted Average Yield Of Securities Portfolio WeightedAverageYieldOfSecuritiesPortfolio	0.0374	pure
CY2013Q3	mbwm	Fair Value Of Interest Rate Swap Agreement Liability FairValueOfInterestRateSwapAgreementLiability	400000
CY2013Q3	mbwm	Aggregate Percentage Of Local Deposits AggregatePercentageOfLocalDeposits	0.806	pure
CY2013Q3	mbwm	Number Of Mutual Funds With Unrealized Gains NumberOfMutualFundsWithUnrealizedGains	1	Funds
CY2013Q3	mbwm	Trust Preferred Securities Included In Tier One Capital TrustPreferredSecuritiesIncludedInTierOneCapital	32000000
CY2013Q3	mbwm	Out Of Area Time Equal To Greater Than Hundred Thousands OutOfAreaTimeEqualToGreaterThanHundredThousands	212665000
CY2013Q3	mbwm	Percentage Out Of Area Time Equal To Greater Than Hundred Thousands PercentageOutOfAreaTimeEqualToGreaterThanHundredThousands	0.190	pure
CY2013Q3	mbwm	Federal Home Loan Bank Advances Maturity Due Date Last FederalHomeLoanBankAdvancesMaturityDueDateLast	2017-09
CY2013Q3	mbwm	Out Of Area Time Less Than Hundred Thousands OutOfAreaTimeLessThanHundredThousands	4672000
CY2013Q3	mbwm	Securities Of Specific Issuer Other Than Government And Its Agencies Maximum Percentage On Stockholders Equity SecuritiesOfSpecificIssuerOtherThanGovernmentAndItsAgenciesMaximumPercentageOnStockholdersEquity	0.10	pure
CY2013Q3	mbwm	Federal Home Loan Bank Advances Maturity Due Date Earliest FederalHomeLoanBankAdvancesMaturityDueDateEarliest	2017-03
CY2013Q3	mbwm	Percentage Of Non Interest Bearing Domestic Deposits To Deposits Demand PercentageOfNonInterestBearingDomesticDepositsToDepositsDemand	0.193	pure
CY2013Q3	mbwm	Loans And Leases Receivable Net Of Deferred Income Increase Decrease Percentage LoansAndLeasesReceivableNetOfDeferredIncomeIncreaseDecreasePercentage	0.033	pure
CY2013Q3	mbwm	Reserve Or Liability Balance For Financial Instruments With Off Balance Sheet Risk ReserveOrLiabilityBalanceForFinancialInstrumentsWithOffBalanceSheetRisk	0
CY2013Q3	mbwm	Aggregate Local Deposit Liabilities AggregateLocalDepositLiabilities	904172000
CY2013Q3	mbwm	Aggregate Percentage Of Deposits AggregatePercentageOfDeposits	1.000	pure
CY2013Q3	mbwm	Aggregate Percentage Of Out Of Area Deposits AggregatePercentageOfOutOfAreaDeposits	0.194	pure
CY2013Q3	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	8554000
CY2013Q3	mbwm	Available For Sale Securities Gross Unrealized Loss Accumulated In Investments AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments	8554000
CY2013Q3	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLossesAccumulatedInInvestments	7703000
CY2013Q3	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLossesAccumulatedInInvestments	851000
CY2013Q3	mbwm	Available For Sale Securities Gross Unrealized Gains Accumulated In Investments AvailableForSaleSecuritiesGrossUnrealizedGainsAccumulatedInInvestments	1977000
CY2009Q4	mbwm	Maximum Level Of Consolidated Aggregate Assets Allowing For Inclusion Of Trust Preferred Securities In Tier One Capital Under Dodd Frank Act MaximumLevelOfConsolidatedAggregateAssetsAllowingForInclusionOfTrustPreferredSecuritiesInTierOneCapitalUnderDoddFrankAct	15000000000
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36532000
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	164999000
CY2011Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	76372000
CY2012Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8706251	shares
CY2012Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Checking PercentageOfInterestBearingDomesticDepositsToDepositsChecking	0.165	pure
CY2012Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Money Market PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket	0.127	pure
CY2012Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0013	pure
CY2012Q4	us-gaap	Percentage Of Interest Bearing Domestic Deposits To Deposits Savings PercentageOfInterestBearingDomesticDepositsToDepositsSavings	0.050	pure
CY2012Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2012Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Weighted Average Interest Rate FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate	0.0135	pure
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	35000000
CY2012Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	32990000
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20062000
CY2012Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	944963000
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	28677000
CY2012Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	8377000
CY2012Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	51730000
CY2012Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	188057000
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1422926000
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1650000
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	28677000
CY2012Q4	us-gaap	Time Deposits100000 Or More Domestic TimeDeposits100000OrMoreDomestic	234430000
CY2012Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	144479000
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	146590000
CY2012Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	56454000
CY2012Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0
CY2012Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	17189000
CY2012Q4	us-gaap	Deposits Deposits	1135204000
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-21134000
CY2012Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	190241000
CY2012Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	64765000
CY2012Q4	us-gaap	Liabilities Liabilities	1276336000
CY2012Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	166074000
CY2012Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	334768000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	18970000
CY2012Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	20302000
CY2012Q4	us-gaap	Federal Funds Sold FederalFundsSold	104879000
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	134664000
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1012512000
CY2012Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	45527000
CY2012Q4	us-gaap	Assets Assets	1422926000
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	22015000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment30 To59 Days Past Due FinancingReceivableRecordedInvestment30To59DaysPastDue	919000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	6117000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment60 To89 Days Past Due FinancingReceivableRecordedInvestment60To89DaysPastDue	190000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	45981000
CY2012Q4	us-gaap	Interest Receivable InterestReceivable	3874000
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	33555000
CY2012Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	11752000
CY2012Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	136003000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	1035072000
CY2012Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	138314000
CY2012Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	6970000
CY2012Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	11961000
CY2012Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	57279000
CY2012Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	49128000
CY2012Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	20038000
CY2012Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	10822000
CY2012Q4	us-gaap	Other Assets OtherAssets	15310000
CY2012Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1041189000
CY2012Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	50048000
CY2012Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	3500000
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	33555000
CY2012Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	69166000
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	5008000
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25919000
CY2012Q4	mbwm	Percentage Of Out Of Area Interest Bearing Checking PercentageOfOutOfAreaInterestBearingChecking	0.019	pure
CY2012Q4	mbwm	Out Of Area Interest Bearing Checking OutOfAreaInterestBearingChecking	21967000
CY2012Q4	mbwm	Aggregate Out Of Area Time Deposits AggregateOutOfAreaTimeDeposits	269813000
CY2012Q4	mbwm	Percentage Of Time Deposits Less Than Hundred Thousands To Deposits PercentageOfTimeDepositsLessThanHundredThousandsToDeposits	0.046	pure
CY2012Q4	mbwm	Percentage Of Out Of Area Time Less Than Hundred Thousands PercentageOfOutOfAreaTimeLessThanHundredThousands	0.007	pure
CY2012Q4	mbwm	Percentage Of Time Deposits Equal To Greater Than Hundred Thousands To Deposits PercentageOfTimeDepositsEqualToGreaterThanHundredThousandsToDeposits	0.206	pure
CY2012Q4	mbwm	Loan Portfolio Classes And Segments As Percentage Of Aggregate Loans LoanPortfolioClassesAndSegmentsAsPercentageOfAggregateLoans	1.000	pure
CY2012Q4	mbwm	Fair Value Of Interest Rate Swap Agreement Liability FairValueOfInterestRateSwapAgreementLiability	1100000
CY2012Q4	mbwm	Aggregate Percentage Of Local Deposits AggregatePercentageOfLocalDeposits	0.762	pure
CY2012Q4	mbwm	Trust Preferred Securities Included In Tier One Capital TrustPreferredSecuritiesIncludedInTierOneCapital	32000000
CY2012Q4	mbwm	Out Of Area Time Equal To Greater Than Hundred Thousands OutOfAreaTimeEqualToGreaterThanHundredThousands	240140000
CY2012Q4	mbwm	Percentage Out Of Area Time Equal To Greater Than Hundred Thousands PercentageOutOfAreaTimeEqualToGreaterThanHundredThousands	0.212	pure
CY2012Q4	mbwm	Federal Home Loan Bank Advances Maturity Due Date Last FederalHomeLoanBankAdvancesMaturityDueDateLast	2017-09
CY2012Q4	mbwm	Financing Receivable Past Due Ninety Days Or More And Still Accruing Interest And Nonaccrual Loans And Troubled Debt Restructurings Accruing Interest Net FinancingReceivablePastDueNinetyDaysOrMoreAndStillAccruingInterestAndNonaccrualLoansAndTroubledDebtRestructuringsAccruingInterestNet	18970000
CY2012Q4	mbwm	Out Of Area Time Less Than Hundred Thousands OutOfAreaTimeLessThanHundredThousands	7706000
CY2012Q4	mbwm	Federal Home Loan Bank Advances Maturity Due Date Earliest FederalHomeLoanBankAdvancesMaturityDueDateEarliest	2017-03
CY2012Q4	mbwm	Percentage Of Non Interest Bearing Domestic Deposits To Deposits Demand PercentageOfNonInterestBearingDomesticDepositsToDepositsDemand	0.168	pure
CY2012Q4	mbwm	Reserve Or Liability Balance For Financial Instruments With Off Balance Sheet Risk ReserveOrLiabilityBalanceForFinancialInstrumentsWithOffBalanceSheetRisk	0
CY2012Q4	mbwm	Aggregate Local Deposit Liabilities AggregateLocalDepositLiabilities	865391000
CY2012Q4	mbwm	Aggregate Percentage Of Deposits AggregatePercentageOfDeposits	1.000	pure
CY2012Q4	mbwm	Aggregate Percentage Of Out Of Area Deposits AggregatePercentageOfOutOfAreaDeposits	0.238	pure
CY2012Q4	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	388000
CY2012Q4	mbwm	Available For Sale Securities Gross Unrealized Loss Accumulated In Investments AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInInvestments	388000
CY2012Q4	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLossesAccumulatedInInvestments	388000
CY2012Q4	mbwm	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLossesAccumulatedInInvestments	0
CY2012Q4	mbwm	Available For Sale Securities Gross Unrealized Gains Accumulated In Investments AvailableForSaleSecuritiesGrossUnrealizedGainsAccumulatedInInvestments	4038000
	dei	Entity Registrant Name EntityRegistrantName	MERCANTILE BANK CORPORATION
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2013-09-30
	dei	Entity Central Index Key EntityCentralIndexKey	0001042729
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8719956	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	2419	shares
	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	1954	shares
	us-gaap	Repurchase Agreements Maturities RepurchaseAgreementsMaturities	Less than one year
	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.0012	pure
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	21968000
	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div> <p style="MARGIN-TOP: 6pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 4%; FONT-SIZE: 10pt"> Securities sold under agreements to repurchase (“repurchase agreements”) are offered principally to certain large deposit customers. Information relating to our repurchase agreements follows:</p> <p style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt">  </p> <table style="BORDER-COLLAPSE: collapse; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt" border="0" cellspacing="0" cellpadding="0" width="76%" align="center"> <tr> <td width="62%"></td> <td valign="bottom" width="11%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="11%"></td> <td></td> <td></td> <td></td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt"> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center">Nine Months Ended<br /> September 30, 2013</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid" valign="bottom" colspan="2" align="center">Twelve Months Ended<br /> December 31, 2012</td> <td valign="bottom"> </td> </tr> <tr> <td height="8"></td> <td height="8" colspan="4"></td> <td height="8" colspan="4"></td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt" bgcolor="#CCEEFF"> <td valign="top"> <p style="TEXT-INDENT: -1em; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; FONT-SIZE: 10pt"> Outstanding balance at end of period</p> </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">65,680,000</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">64,765,000</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"> <td valign="top"> <p style="TEXT-INDENT: -1em; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; FONT-SIZE: 10pt"> Average interest rate at end of period</p> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0.13</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0.13</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td height="8"></td> <td height="8" colspan="4"></td> <td height="8" colspan="4"></td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt" bgcolor="#CCEEFF"> <td valign="top"> <p style="TEXT-INDENT: -1em; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; FONT-SIZE: 10pt"> Average daily balance during the period</p> </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">64,309,000</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">61,930,000</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"> <td valign="top"> <p style="TEXT-INDENT: -1em; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; FONT-SIZE: 10pt"> Average interest rate during the period</p> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0.12</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">0.25</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td height="8"></td> <td height="8" colspan="4"></td> <td height="8" colspan="4"></td> </tr> <tr style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt" bgcolor="#CCEEFF"> <td valign="top"> <p style="TEXT-INDENT: -1em; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 1em; FONT-SIZE: 10pt"> Maximum daily balance during the period</p> </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">76,979,000</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">81,980,000</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> </table> </div>
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	1098	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8706133	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2950	shares
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.33
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34761000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-13451000
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	39461000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5689000
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	1155000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-9447000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0
	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	37492000
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2851000
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	127000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11870000
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3017000
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	379000
	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	76979000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	52000
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	550000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	467000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6181000
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	17000
	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	671000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10165000
	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	64309000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4099000
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	250000
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	33000
	us-gaap	Interest Paid InterestPaid	8779000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-97000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17424000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	42868000
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2200000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	38944000
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0
	us-gaap	Net Income Loss NetIncomeLoss	11870000
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	37232000
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	0
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1976000
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	763000
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	41147000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	718000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1025000
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	19000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	354000
	us-gaap	Noninterest Income NoninterestIncome	5281000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-6648000
	us-gaap	Interest Expense Other InterestExpenseOther	938000
	us-gaap	Noninterest Expense NoninterestExpense	27318000
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-13871000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5472000
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	10270000
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	19000
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	57000
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1629000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-4700000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7383000
	us-gaap	Equipment Expense EquipmentExpense	754000
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	52000
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2851000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	251000
	us-gaap	Share Based Compensation ShareBasedCompensation	354000
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-10085000
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	6505000
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	107000
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	10310000
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	176000
	us-gaap	Interest Expense InterestExpense	8107000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3517000
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	42963000
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	779000
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2881000
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	53233000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-26581000
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	915000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	604000
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	5554000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6733000
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	43789000
	us-gaap	Occupancy Net OccupancyNet	1921000
	us-gaap	Depreciation Depreciation	1000000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	15094000
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	10000000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	31578000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-3266000
	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	33000
	mbwm	Percentage Of Increase Or Decrease In Out Of Area Time Equal To Greater Than Hundred Thousands PercentageOfIncreaseOrDecreaseInOutOfAreaTimeEqualToGreaterThanHundredThousands	-0.114	pure
	mbwm	Maximum Restricted Core Element Allowed In Tier One Capital Percent MaximumRestrictedCoreElementAllowedInTierOneCapitalPercent	0.25	pure
	mbwm	Percentage Of Increase Or Decrease In Time Deposits Less Than Hundred Thousands PercentageOfIncreaseOrDecreaseInTimeDepositsLessThanHundredThousands	-0.127	pure
	mbwm	Transfers From Loans To Foreclosed Assets TransfersFromLoansToForeclosedAssets	2060000
	mbwm	Percentage Of Increase Or Decrease Of Interest Bearing Checking Deposits PercentageOfIncreaseOrDecreaseOfInterestBearingCheckingDeposits	0.042	pure
	mbwm	Interest Income On Commercial And Mortgage Loans Discontinued Period InterestIncomeOnCommercialAndMortgageLoansDiscontinuedPeriod	P90D
	mbwm	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	-776000
	mbwm	Change In Deposit Liabilities ChangeInDepositLiabilities	13700000
	mbwm	Hedging Activities Interest Rate Swap Agreement Effective Date HedgingActivitiesInterestRateSwapAgreementEffectiveDate	2013-01
	mbwm	Payment Made Under Interest Rate Cap Contract PaymentMadeUnderInterestRateCapContract	0
	mbwm	Loans Modified As Troubled Debt Restructuring Due Period LoansModifiedAsTroubledDebtRestructuringDuePeriod	P30D
	mbwm	Aggregate Percentage Increase Or Decrease In Out Of Area Deposits AggregatePercentageIncreaseOrDecreaseInOutOfAreaDeposits	-0.194	pure
	mbwm	Common Stock Cash Dividend Suspension Period CommonStockCashDividendSuspensionPeriod	2010-04-01
	mbwm	Aggregate Increase Or Decrease In Percentage Of Deposits AggregateIncreaseOrDecreaseInPercentageOfDeposits	-0.012	pure
	mbwm	Loans And Leases Receivable Percentage Period Increase Decrease LoansAndLeasesReceivablePercentagePeriodIncreaseDecrease	0.033	pure
	mbwm	Percentage Of Increase Or Decrease In Non Interest Bearing Demand Deposits PercentageOfIncreaseOrDecreaseInNonInterestBearingDemandDeposits	0.136	pure
	mbwm	Maximum Delinquency Period For Consumer And Credit Card Loans To Be Charged Off MaximumDelinquencyPeriodForConsumerAndCreditCardLoansToBeChargedOff	P120D
	mbwm	Percentage Of Increase Or Decrease Of Money Market Deposits PercentageOfIncreaseOrDecreaseOfMoneyMarketDeposits	-0.056	pure
	mbwm	Percentage Of Increase Or Decrease In Time Deposits Equal To Greater Than Hundred Thousands PercentageOfIncreaseOrDecreaseInTimeDepositsEqualToGreaterThanHundredThousands	0.099	pure
	mbwm	Rental Income From Other Real Estate Owned RentalIncomeFromOtherRealEstateOwned	454000
	mbwm	Loans And Leases Receivable Period Increase Decrease LoansAndLeasesReceivablePeriodIncreaseDecrease	34300000
	mbwm	Percentage Of Decrease In Aggregate Deposits PercentageOfDecreaseInAggregateDeposits	0.012	pure
	mbwm	Aggregate Percentage Increase Or Decrease In Local Deposits AggregatePercentageIncreaseOrDecreaseInLocalDeposits	0.045	pure
	mbwm	Percentage Of Increase Or Decrease Of Savings Deposits PercentageOfIncreaseOrDecreaseOfSavingsDeposits	-0.061	pure
	mbwm	Percentage Of Increase Or Decrease In Out Of Area Interest Bearing Checking PercentageOfIncreaseOrDecreaseInOutOfAreaInterestBearingChecking		pure
	mbwm	Percentage Of Increase Or Decrease In Out Of Area Time Less Than Hundred Thousands PercentageOfIncreaseOrDecreaseInOutOfAreaTimeLessThanHundredThousands	-0.394	pure
	mbwm	Fair Value Transfers In Or Out Of Level One Level Two Or Level Three FairValueTransfersInOrOutOfLevelOneLevelTwoOrLevelThree	0
	mbwm	Hedging Activities Interest Rate Swap Agreement Maturity Date HedgingActivitiesInterestRateSwapAgreementMaturityDate	2018-01
	mbwm	Financing Receivable Modification Number Of Contracts FinancingReceivableModificationNumberOfContracts	14	Contract
	mbwm	Financing Receivable Modification Pre Modification Recorded Investment FinancingReceivableModificationPreModificationRecordedInvestment	9233000
	mbwm	Financing Receivable Modification Post Modification Recorded Investment FinancingReceivableModificationPostModificationRecordedInvestment	9233000
	mbwm	Financing Receivables Modifications Subsequent Default Number Of Contracts FinancingReceivablesModificationsSubsequentDefaultNumberOfContracts	0	Contract
	mbwm	Financing Receivables Modifications Subsequent Default Recorded Investment FinancingReceivablesModificationsSubsequentDefaultRecordedInvestment	0
	mbwm	Hedging Activities Interest Rate Cap Agreement Maturity Month Year HedgingActivitiesInterestRateCapAgreementMaturityMonthYear	2013-06
	mbwm	Net Gain Loss From Sale And Valuation Write Down Of Foreclosed Assets NetGainLossFromSaleAndValuationWriteDownOfForeclosedAssets	1024000
	mbwm	Problem Asset Costs ProblemAssetCosts	783000
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8896728	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	18718	shares
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	7204000
	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	1743	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8612831	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	47007	shares
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.00
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34964000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2638000
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	38364000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8172000
	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	1142000
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-2023000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0
	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	7465000
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	45973000
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	116000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8457000
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	30000000
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3351000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	488000
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	853000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-719000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1315000
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	22000
	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	1021000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-917000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	5805000
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	415000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45251000
	us-gaap	Interest Paid InterestPaid	11157000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-464000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	13852000
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1100000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	40653000
	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	21000000
	us-gaap	Net Income Loss NetIncomeLoss	9487000
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-27283000
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	496000
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1792000
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1109000
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	62347000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-1106000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1170000
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	29000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14000
	us-gaap	Noninterest Income NoninterestIncome	5931000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-596000
	us-gaap	Interest Expense Other InterestExpenseOther	705000
	us-gaap	Noninterest Expense NoninterestExpense	30443000
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-43811000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-55809000
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	18024000
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	29000
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	130000
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1669000
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-3400000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7389000
	us-gaap	Equipment Expense EquipmentExpense	888000
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	317000
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	871000
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-387000
	us-gaap	Share Based Compensation ShareBasedCompensation	14000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	21000000
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	27623000
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	12753000
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-1000
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	39302000
	us-gaap	Interest Expense InterestExpense	10287000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-321000
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	44304000
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	11175000
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	62328000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	76228000
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-12538000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	171000
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1030000
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	894000
	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	4365000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	8581000
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	57233000
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	362000
	us-gaap	Occupancy Net OccupancyNet	1947000
	us-gaap	Depreciation Depreciation	1100000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	14394000
	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	20000000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	82580000
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-708000
	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	0
	mbwm	Transfers From Loans To Foreclosed Assets TransfersFromLoansToForeclosedAssets	10448000
	mbwm	Accretion Of Preferred Stock AccretionOfPreferredStock	0
	mbwm	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	1652000
	mbwm	Loans Modified As Troubled Debt Restructuring Due Period LoansModifiedAsTroubledDebtRestructuringDuePeriod	P30D
	mbwm	Repurchase Of Common Stock Warrant RepurchaseOfCommonStockWarrant	7465000
	mbwm	Rental Income From Other Real Estate Owned RentalIncomeFromOtherRealEstateOwned	806000
	mbwm	Financing Receivable Modification Number Of Contracts FinancingReceivableModificationNumberOfContracts	17	Contract
	mbwm	Financing Receivable Modification Pre Modification Recorded Investment FinancingReceivableModificationPreModificationRecordedInvestment	24871000
	mbwm	Financing Receivable Modification Post Modification Recorded Investment FinancingReceivableModificationPostModificationRecordedInvestment	24863000
	mbwm	Financing Receivables Modifications Subsequent Default Number Of Contracts FinancingReceivablesModificationsSubsequentDefaultNumberOfContracts	0	Contract
	mbwm	Financing Receivables Modifications Subsequent Default Recorded Investment FinancingReceivablesModificationsSubsequentDefaultRecordedInvestment	0
	mbwm	Net Gain Loss From Sale And Valuation Write Down Of Foreclosed Assets NetGainLossFromSaleAndValuationWriteDownOfForeclosedAssets	-1817000
	mbwm	Problem Asset Costs ProblemAssetCosts	4931000
CY2010Q2	mbwm	Trusted Preferred Securities Issuance Date TrustedPreferredSecuritiesIssuanceDate	before May 19, 2010
CY2013Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.11
CY2011Q2	us-gaap	Derivative Description Of Variable Rate Basis DerivativeDescriptionOfVariableRateBasis	30-Day Libor rate
CY2012Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.09
CY2013Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2013Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.12
CY2012	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.0025	pure
CY2012	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	81980000
CY2012	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	61930000
CY2012	mbwm	Fair Value Transfers In Or Out Of Level One Level Two Or Level Three FairValueTransfersInOrOutOfLevelOneLevelTwoOrLevelThree	0
CY2013Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2013Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.11
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8653751	shares
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8622719	shares
CY2012Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.00
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11584000
CY2012Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	11984000
CY2012Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2194000
CY2012Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	378000
CY2012Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-647000
CY2012Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	46000
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2616000
CY2012Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1009000
CY2012Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-422000
CY2012Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	8000
CY2012Q3	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	447000
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-188000
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	364000
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3856000
CY2012Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	14768000
CY2012Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	400000
CY2012Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	13386000
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	2616000
CY2012Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	584000
CY2012Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	319000
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-459000
CY2012Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	378000
CY2012Q3	us-gaap	Noninterest Income NoninterestIncome	2057000
CY2012Q3	us-gaap	Interest Expense Other InterestExpenseOther	234000
CY2012Q3	us-gaap	Noninterest Expense NoninterestExpense	10185000
CY2012Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	39000
CY2012Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-400000
CY2012Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2586000
CY2012Q3	us-gaap	Equipment Expense EquipmentExpense	282000
CY2012Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	183000
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-161000
CY2012Q3	us-gaap	Interest Expense InterestExpense	3184000
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-64000
CY2012Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1891000
CY2012Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0
CY2012Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	294000
CY2012Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1240000
CY2012Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2728000
CY2012Q3	us-gaap	Occupancy Net OccupancyNet	598000
CY2012Q3	us-gaap	Depreciation Depreciation	300000
CY2012Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4849000
CY2012Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-225000
CY2012Q3	mbwm	Impaired Financing Receivable Average Recorded Investments ImpairedFinancingReceivableAverageRecordedInvestments	57418000
CY2012Q3	mbwm	Loans Modified As Troubled Debt Restructuring Due Period LoansModifiedAsTroubledDebtRestructuringDuePeriod	P30D
CY2012Q3	mbwm	Impaired Financing Receivable With No Related Allowance Recorded Investments ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestments	16027000
CY2012Q3	mbwm	Impaired Financing Receivable With Related Allowance Average Recorded Investments ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestments	41391000
CY2012Q3	mbwm	Rental Income From Other Real Estate Owned RentalIncomeFromOtherRealEstateOwned	270000
CY2012Q3	mbwm	Financing Receivable Modification Number Of Contracts FinancingReceivableModificationNumberOfContracts	6	Contract
CY2012Q3	mbwm	Financing Receivable Modification Pre Modification Recorded Investment FinancingReceivableModificationPreModificationRecordedInvestment	18175000
CY2012Q3	mbwm	Financing Receivable Modification Post Modification Recorded Investment FinancingReceivableModificationPostModificationRecordedInvestment	18170000
CY2012Q3	mbwm	Financing Receivables Modifications Subsequent Default Number Of Contracts FinancingReceivablesModificationsSubsequentDefaultNumberOfContracts	0	Contract
CY2012Q3	mbwm	Financing Receivables Modifications Subsequent Default Recorded Investment FinancingReceivablesModificationsSubsequentDefaultRecordedInvestment	0
CY2012Q3	mbwm	Problem Asset Costs ProblemAssetCosts	1576000
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8725268	shares
CY2013Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8707038	shares
CY2013Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
CY2013Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11994000
CY2013Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	13694000
CY2013Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-186000
CY2013Q3	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	397000
CY2013Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-5455000
CY2013Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	38000
CY2013Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3453000
CY2013Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1003000
CY2013Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3639000
CY2013Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	4000
CY2013Q3	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	194000
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-5376000
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2033000
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	5455000
CY2013Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	14667000
CY2013Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	700000
CY2013Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	13411000
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	3453000
CY2013Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	656000
CY2013Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	211000
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-79000
CY2013Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	337000
CY2013Q3	us-gaap	Noninterest Income NoninterestIncome	1683000
CY2013Q3	us-gaap	Interest Expense Other InterestExpenseOther	323000
CY2013Q3	us-gaap	Noninterest Expense NoninterestExpense	9922000
CY2013Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	19000
CY2013Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1700000
CY2013Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2509000
CY2013Q3	us-gaap	Equipment Expense EquipmentExpense	242000
CY2013Q3	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	141000
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	25000
CY2013Q3	us-gaap	Interest Expense InterestExpense	2673000
CY2013Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1841000
CY2013Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	719000
CY2013Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	85000
CY2013Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0
CY2013Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	184000
CY2013Q3	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	2002000
CY2013Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2190000
CY2013Q3	us-gaap	Occupancy Net OccupancyNet	639000
CY2013Q3	us-gaap	Depreciation Depreciation	300000
CY2013Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5256000
CY2013Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1816000
CY2013Q3	mbwm	Impaired Financing Receivable Average Recorded Investments ImpairedFinancingReceivableAverageRecordedInvestments	51976000
CY2013Q3	mbwm	Loans Modified As Troubled Debt Restructuring Due Period LoansModifiedAsTroubledDebtRestructuringDuePeriod	P30D
CY2013Q3	mbwm	Impaired Financing Receivable With No Related Allowance Recorded Investments ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestments	9199000
CY2013Q3	mbwm	Impaired Financing Receivable With Related Allowance Average Recorded Investments ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestments	42777000
CY2013Q3	mbwm	Rental Income From Other Real Estate Owned RentalIncomeFromOtherRealEstateOwned	99000
CY2013Q3	mbwm	Financing Receivable Modification Number Of Contracts FinancingReceivableModificationNumberOfContracts	5	Contract
CY2013Q3	mbwm	Financing Receivable Modification Pre Modification Recorded Investment FinancingReceivableModificationPreModificationRecordedInvestment	1070000
CY2013Q3	mbwm	Financing Receivable Modification Post Modification Recorded Investment FinancingReceivableModificationPostModificationRecordedInvestment	1070000
CY2013Q3	mbwm	Financing Receivables Modifications Subsequent Default Number Of Contracts FinancingReceivablesModificationsSubsequentDefaultNumberOfContracts	0	Contract
CY2013Q3	mbwm	Financing Receivables Modifications Subsequent Default Recorded Investment FinancingReceivablesModificationsSubsequentDefaultRecordedInvestment	0
CY2013Q3	mbwm	Problem Asset Costs ProblemAssetCosts	373000
CY2012Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.09

Files In Submission

Name	View Source	Status
0001193125-13-437470-index-headers.html	Edgar Link	pending
0001193125-13-437470-index.html	Edgar Link	pending
0001193125-13-437470.txt	Edgar Link	pending
0001193125-13-437470-xbrl.zip	Edgar Link	pending
d596983d10q.htm	Edgar Link	pending
d596983dex31.htm	Edgar Link	pending
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d596983dex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
mbwm-20130930.xml	Edgar Link	completed
mbwm-20130930.xsd	Edgar Link	pending
mbwm-20130930_cal.xml	Edgar Link	unprocessable
mbwm-20130930_def.xml	Edgar Link	unprocessable
mbwm-20130930_lab.xml	Edgar Link	unprocessable
mbwm-20130930_pre.xml	Edgar Link	unprocessable
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report.css	Edgar Link	pending
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$MBWM
Mercantile Bank Corp Stock $mbwm

2013 Q4 Form 10-Q Financial Statement

#000119312513437470 Filed on November 12, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MBWM Mercantile Bank Corp Stock $mbwm

2013 Q4 Form 10-Q Financial Statement

#000119312513437470 Filed on November 12, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MBWM
Mercantile Bank Corp Stock $mbwm