XML 26 R104.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Off-Balance Sheet Activities (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Unused lines of Credit - Fixed Rate [Member] |  |
Contractual amount of financial instruments with off-balance sheet risk | 7,076 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = us-gaap_UnusedLinesOfCreditMember | $ 3,495 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = us-gaap_UnusedLinesOfCreditMember
Unused lines of Credit - Variable Rate [Member] |  |
Contractual amount of financial instruments with off-balance sheet risk | 60,476 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = cofs_UnusedLinesOfCredit1Member | 66,421 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = cofs_UnusedLinesOfCredit1Member
Commitments to fund loans - Fixed Rate [Member] |  |
Contractual amount of financial instruments with off-balance sheet risk | 3,116 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = us-gaap_CommitmentsToExtendCreditMember | 7,464 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = us-gaap_CommitmentsToExtendCreditMember
Commitments to fund loans - Variable Rate [Member] |  |
Contractual amount of financial instruments with off-balance sheet risk | 1,050 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = cofs_CommitmentsToExtendCredit1Member | $ 1,899 us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset / us-gaap_FinancialInstrumentAxis = cofs_CommitmentsToExtendCredit1Member
Lower Range [Member] |  |
Interest rate of commitments | 3.75%cofs_InterestRateCommitmentsToExtendCredit / us-gaap_RangeAxis = us-gaap_MinimumMember |
Term of commitments | 18 months |
Upper Range [Member] |  |
Interest rate of commitments | 8.20%cofs_InterestRateCommitmentsToExtendCredit / us-gaap_RangeAxis = us-gaap_MaximumMember |
Term of commitments | 30 years |

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- Definition The interest rate for commitments to extend credit. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition The maturity term of commitments to extend credit. + References No definition available. + Details
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Balance Type: | na
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- Definition The fair value of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
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