XML 67 R55.htm IDEA: XBRL DOCUMENT
v3.19.1

Allowance For Loan Losses (Schedule Of Troubled Debt Restructurings) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) contract | Mar. 31, 2018 USD ($) contract | Dec. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | $ 34,283 |  | $ 34,191
Non-Accruing | 469 |  | 663
Total | $ 34,752 |  | 34,854
Number of Contracts | contract | 28 | 11 |
Pre-Modification Outstanding Recorded Investment | $ 1,798 | $ 489 |
Post Modification Outstanding Recorded Investment | 1,798 | $ 489 |
Commercial and industrial |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 89 |  | 98
Non-Accruing | 0 |  | 0
Total | $ 89 |  | 98
Number of Contracts | contract | 0 | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 |
Post Modification Outstanding Recorded Investment | 0 | $ 0 |
Commercial real estate |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 8,164 |  | 8,205
Non-Accruing | 0 |  | 0
Total | $ 8,164 |  | 8,205
Number of Contracts | contract | 0 | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 |
Post Modification Outstanding Recorded Investment | 0 | $ 0 |
Residential real estate |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 23,017 |  | 22,863
Non-Accruing | 464 |  | 658
Total | $ 23,481 |  | 23,521
Number of Contracts | contract | 23 | 7 |
Pre-Modification Outstanding Recorded Investment | $ 1,729 | $ 412 |
Post Modification Outstanding Recorded Investment | 1,729 | $ 412 |
Home equity |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 3,013 |  | 3,025
Non-Accruing | 5 |  | 5
Total | $ 3,018 |  | 3,030
Number of Contracts | contract | 5 | 4 |
Pre-Modification Outstanding Recorded Investment | $ 69 | $ 77 |
Post Modification Outstanding Recorded Investment | 69 | $ 77 |
Consumer |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 0 |  | 0
Non-Accruing | 0 |  | 0
Total | $ 0 |  | $ 0
Number of Contracts | contract | 0 | 0 |
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 0 |
Post Modification Outstanding Recorded Investment | $ 0 | $ 0 |

X
- Definition Financing Receivable Modifications Recorded Investment Non Accruing Status For Troubled Debt Restructurings. + References No definition available. + Details
Name: | chco_FinancingReceivableModificationsRecordedInvestmentNonAccruingStatus
Namespace Prefix: | chco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable Recorded Investment Accrual Status For Troubled Debt Restructurings + References No definition available. + Details
Name: | chco_FinancingReceivableRecordedInvestmentAccrualStatus
Namespace Prefix: | chco_
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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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