XML 45 R35.htm IDEA: XBRL DOCUMENT
v3.19.2

LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 5) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | $ 3,593 | $ 2,905
Loans Not Past Due |  | 393,634 | 406,168
Total Loans |  | 397,227 | 409,073
30 to 59 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 2,109 | 1,647
60 to 89 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 1,355 | 526
Greater Than 90 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total | [1] | 129 | 732
Agricultural [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Loans Not Past Due |  | 40,881 | 49,109
Total Loans |  | 40,881 | 49,109
Commercial and Industrial [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  |  | 5
Loans Not Past Due |  | 85,082 | 91,401
Total Loans |  | 85,082 | 91,406
Commercial and Industrial [Member] | 30 to 59 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  |  | 5
Consumer [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 88 | 200
Loans Not Past Due |  | 24,594 | 24,182
Total Loans |  | 24,682 | 24,382
Consumer [Member] | 30 to 59 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 77 | 149
Consumer [Member] | 60 to 89 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 6 | 40
Consumer [Member] | Greater Than 90 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total | [1] | 5 | 11
Commercial Real Estate [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 2,471 | 73
Loans Not Past Due |  | 138,471 | 139,380
Total Loans |  | 140,942 | 139,453
Commercial Real Estate [Member] | 30 to 59 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 1,372 |
Commercial Real Estate [Member] | 60 to 89 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 1,099 |
Commercial Real Estate [Member] | Greater Than 90 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total | [1] |  | 73
Construction Real Estate [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Loans Not Past Due |  | 9,948 | 8,843
Total Loans |  | 9,948 | 8,843
Residential Real Estate [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 1,034 | 2,627
Loans Not Past Due |  | 94,658 | 93,253
Total Loans |  | 95,692 | 95,880
Residential Real Estate [Member] | 30 to 59 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 660 | 1,493
Residential Real Estate [Member] | 60 to 89 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total |  | 250 | 486
Residential Real Estate [Member] | Greater Than 90 Days [Member] |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Past Due Total | [1] | $ 124 | $ 648
[1] | Includes nonaccrual loans.

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cofs_AgriculturalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cofs_FinancingReceivableCommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |