XML 24 R32.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans (Details 6) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment $ 180,300us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
$ 173,206us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 9,146us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
7,108us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 6,346us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
4,247us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 414us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
3,202us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 35,518us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
37,694us-gaap_NotesReceivableNet
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Commercial Loan [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 27,549us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
29,337us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Commercial Loan [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 5,158us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
3,503us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Commercial Loan [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 105us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
62us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Commercial Loan [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Commercial Loan [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 832us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
953us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommercialLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Commercial Real Estate Construction [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 7,419us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
3,619us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Commercial Real Estate Construction [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Commercial Real Estate Construction [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 50us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
60us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Commercial Real Estate Construction [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Commercial Real Estate Construction [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_CommercialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Other Commercial Real Estate [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 128,300us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
121,659us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Other Commercial Real Estate [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 3,274us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
3,040us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Other Commercial Real Estate [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 5,087us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
3,526us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Other Commercial Real Estate [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 85us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
2,404us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Other Commercial Real Estate [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 1,070us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
856us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_OtherCommercialRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Residential Real Estate Owner Occupied [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 3,988us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
3,959us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Residential Real Estate Owner Occupied [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 223us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Residential Real Estate Owner Occupied [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Residential Real Estate Owner Occupied [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 329us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
248us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Residential Real Estate Owner Occupied [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 24,735us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
26,924us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Residential Real Estate Non Owner Occupied [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 13,044us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
14,632us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Residential Real Estate Non Owner Occupied [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 491us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
565us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Residential Real Estate Non Owner Occupied [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 1,104us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
599us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Residential Real Estate Non Owner Occupied [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
550us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Residential Real Estate Non Owner Occupied [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 226us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
155us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateNonOwnerOccupiedMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Residential Real Estate Construction [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Residential Real Estate Construction [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Residential Real Estate Construction [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Residential Real Estate Construction [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Residential Real Estate Construction [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 1,225us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
185us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= cbkm_ResidentialRealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
Consumer Loan [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Consumer Loan [Member] | Special Mention [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
Consumer Loan [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Consumer Loan [Member] | Doubtful [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment 0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
0us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
Consumer Loan [Member] | Not Rated [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment $ 7,430us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember
$ 8,621us-gaap_NotesReceivableNet
/ us-gaap_FinancialInstrumentAxis
= us-gaap_ConsumerLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= cbkm_NotRatedMember