XML 47 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Allowance For Loan Losses (Schedule Of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 contract | Mar. 31, 2013 contract | Dec. 31, 2013
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | $ 23,456 |  | $ 23,381
Non-Accruing | 288 |  | 1,707
Total | 23,744 |  | 25,088
Number Of Contracts | 11 | 27 |
Pre Modification Outstanding Recorded Investment | 467 | 2,999 |
Post Modification Outstanding Recorded Investment | 467 | 2,999 |
Commercial And Industrial [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 84 |  | 88
Non-Accruing | 0 |  | 0
Total | 84 |  | 88
Number Of Contracts | 0 | 0 |
Pre Modification Outstanding Recorded Investment | 0 | 0 |
Post Modification Outstanding Recorded Investment | 0 | 0 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 1,854 |  | 1,783
Non-Accruing | 0 |  | 0
Total | 1,854 |  | 1,783
Number Of Contracts | 0 | 1 |
Pre Modification Outstanding Recorded Investment | 0 | 1,071 |
Post Modification Outstanding Recorded Investment | 0 | 1,071 |
Residential Real Estate [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 18,666 |  | 18,651
Non-Accruing | 274 |  | 1,693
Total | 18,940 |  | 20,344
Number Of Contracts | 7 | 9 |
Pre Modification Outstanding Recorded Investment | 351 | 853 |
Post Modification Outstanding Recorded Investment | 351 | 853 |
Home equity - junior lien [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 2,852 |  | 2,859
Non-Accruing | 14 |  | 14
Total | 2,866 |  | 2,873
Number Of Contracts | 4 | 17 |
Pre Modification Outstanding Recorded Investment | 116 | 1,075 |
Post Modification Outstanding Recorded Investment | 116 | 1,075 |
Consumer [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Accruing | 0 |  | 0
Non-Accruing | 0 |  | 0
Total | 0 |  | 0
Number Of Contracts | 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 Troubled Debt Restructuring Modifications Number Of Contracts + References No definition available. + Details
Name: | chco_TroubledDebtRestructuringModificationsNumberOfContracts
Namespace Prefix: | chco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Troubled Debt Restructuring Modifications Post Modification Recorded Investment + References No definition available. + Details
Name: | chco_TroubledDebtRestructuringModificationsPostModificationRecordedInvestment
Namespace Prefix: | chco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Troubled Debt Restructuring Modifications Pre Modification Recorded Investment + References No definition available. + Details
Name: | chco_TroubledDebtRestructuringModificationsPreModificationRecordedInvestment
Namespace Prefix: | chco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant