XML 31 R74.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Allowance For Loan Losses (Schedule Of Credit Quality Indicators) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | $ 3,616,099 | $ 3,587,608
Commercial Industrial Loans And Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 1,767,752 | 1,741,256
Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 308,015 | 286,314
Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 1,459,737 | 1,454,942
Residential real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 1,640,396 | 1,635,338
Home equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 148,928 | 153,496
Consumer Loan |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 54,263 | 51,190
DDA Overdrafts |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 4,760 | 6,328
Pass | Commercial Industrial Loans And Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 1,685,491 | 1,653,677
Pass | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 276,847 | 250,856
Pass | Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 1,408,644 | 1,402,821
Special Mention | Commercial Industrial Loans And Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 16,310 | 33,582
Special Mention | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 2,472 | 27,886
Special Mention | Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 13,838 | 5,696
Substandard | Commercial Industrial Loans And Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 65,951 | 53,997
Substandard | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 28,696 | 7,572
Substandard | Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 37,255 | 46,425
Doubtful | Commercial Industrial Loans And Commercial Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 0 | 0
Doubtful | Commercial and industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | 0 | 0
Doubtful | Commercial real estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, Total | $ 0 | $ 0

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |