XML 134 R102.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Board of Director and Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |  |
Duration of service for eligibility | 3 months |  |
Employer matching contribution, percent | 3.00% |  |
Maximum annual contribution per employee, percent | 50.00% |  |
Employer's maximum additional match, percentage | 2.00% |  |
Employer's discretionary matching contribution | 4.00% |  |
Cash contribution to profit-sharing plan | $ 6.5 | $ 5.1 | $ 4.3

X
- Definition Defined Contribution Plan, Employer Matching Contribution, Additional Percentage or Match + References No definition available. + Details
Name: | chdn_DefinedContributionPlanEmployerMatchingContributionAdditionalPercentageOrMatch
Namespace Prefix: | chdn_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Contribution Plan, Employers Maximum Additional Match, Percentage + References No definition available. + Details
Name: | chdn_DefinedContributionPlanEmployersMaximumAdditionalMatchPercentage
Namespace Prefix: | chdn_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Contribution Plan, Service Period For Eligibility + References No definition available. + Details
Name: | chdn_DefinedContributionPlanServicePeriodForEligibility
Namespace Prefix: | chdn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration