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DEPOSITS (Details) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Summary of deposit [Abstract] | ||
| Noninterest-bearing demand | $ 404,143,000us-gaap_NoninterestBearingDepositLiabilities | $ 344,550,000us-gaap_NoninterestBearingDepositLiabilities |
| Interest bearing demand | 340,053,000us-gaap_DemandDepositAccounts | 287,417,000us-gaap_DemandDepositAccounts |
| Savings and money market accounts | 442,246,000mcbc_DepositsSavingsAndMoneyMarketDeposits | 469,542,000mcbc_DepositsSavingsAndMoneyMarketDeposits |
| Certificates of deposit | 119,883,000us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits | 148,225,000us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits |
| Total deposits | 1,306,325,000us-gaap_Deposits | 1,249,734,000us-gaap_Deposits |
| Maturities distribution of time deposits [Abstract] | ||
| 2015 | 85,486,000us-gaap_TimeDepositMaturitiesYearOne | |
| 2016 | 22,023,000us-gaap_TimeDepositMaturitiesYearTwo | |
| 2017 | 7,016,000us-gaap_TimeDepositMaturitiesYearThree | |
| 2018 | 2,736,000us-gaap_TimeDepositMaturitiesYearFour | |
| 2019 | 2,622,000us-gaap_TimeDepositMaturitiesYearFive | |
| Thereafter | 0us-gaap_TimeDepositMaturitiesAfterYearFive | |
| Total certificate of deposit | 119,883,000us-gaap_TimeDeposits | |
| Certificate of deposits, $100,000 or more denominations | 50,100,000us-gaap_TimeDeposits100000OrMore | 56,700,000us-gaap_TimeDeposits100000OrMore |
| Denominations amount of certificates of deposit | $ 100,000mcbc_DenominationsAmountOfCertificatesOfDeposit | $ 100,000mcbc_DenominationsAmountOfCertificatesOfDeposit |
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- Definition
Represents denominations amount of certificates of deposit. No definition available.
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- Definition
Amount of deposits in savings and money market accounts. No definition available.
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- Definition
The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of interest-bearing domestic certificate of deposit liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of domestic and foreign time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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