XML 25 R32.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans (Details 6) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Jun. 30, 2014
Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Recorded investment $ 177,092us-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 6,966us-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 6,375us-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 2,307us-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 35,840us-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 27,297us-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 3,830us-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 126us-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 881us-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 6,791us-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 53us-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 124,291us-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 2,636us-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 5,614us-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 1,526us-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 4,315us-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 0us-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 244us-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 25,309us-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 13,682us-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 500us-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 582us-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 537us-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 234us-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 716us-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 104us-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 $ 8,242us-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