Macatawa Bank Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

FAIR VALUE, Quantitative Information about Level 3 Fair Value Measurements (Details)

v3.10.0.1

FAIR VALUE, Quantitative Information about Level 3 Fair Value Measurements (Details) - Level 3 [Member] $ in Thousands	Sep. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Quantitative information about Level 3 fair value measurements measured on non-recurring basis [Abstract]
Impaired loans	$ 2,663	$ 2,278
OREO	$ 1,318	$ 3,658
Sales Comparison Approach [Member] \| Adjustment for Differences Between Comparable Sales [Member] \| Minimum [Member]
Quantitative information about Level 3 fair value measurements measured on non-recurring basis [Abstract]
Impaired loans, unobservable input(s)	0.010	0.020
OREO, unobservable input(s)	0.030	0.030
Sales Comparison Approach [Member] \| Adjustment for Differences Between Comparable Sales [Member] \| Maximum [Member]
Quantitative information about Level 3 fair value measurements measured on non-recurring basis [Abstract]
Impaired loans, unobservable input(s)	0.150	0.150
OREO, unobservable input(s)	0.200	0.220
Income Approach [Member] \| Capitalization Rate [Member] \| Minimum [Member]
Quantitative information about Level 3 fair value measurements measured on non-recurring basis [Abstract]
Impaired loans, unobservable input(s)	0.095	0.095
OREO, unobservable input(s)	0.095	0.095
Income Approach [Member] \| Capitalization Rate [Member] \| Maximum [Member]
Quantitative information about Level 3 fair value measurements measured on non-recurring basis [Abstract]
Impaired loans, unobservable input(s)	0.110	0.110
OREO, unobservable input(s)	0.110	0.110

- Definition

This element represents the fair value disclosure of impaired loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	mcbc_ImpairedLoansFairValueDisclosure
Namespace Prefix:	mcbc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Value of input used to measure impaired loans.

+ References

No definition available.

+ Details

Name:	mcbc_ImpairedLoansMeasurementInput
Namespace Prefix:	mcbc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_OtherRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

Name:	us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_ValuationTechniqueAxis=us-gaap_MarketApproachValuationTechniqueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputComparabilityAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationTechniqueAxis=us-gaap_IncomeApproachValuationTechniqueMember
Namespace Prefix:
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- Details

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