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Significant Accounting Policies (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | $ 2,413 | $ 2,082 | $ 2,023
Hotel Project [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | 348 | 293 | 248
Food And Beverage [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | $ 2,065 | $ 1,789 | $ 1,775

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- Definition Promotional allowances, estimated cost + References No definition available. + Details
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Namespace Prefix: | cnty_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Promotional Allowances [Line Items] + References No definition available. + Details
Name: | cnty_PromotionalAllowancesLineItems
Namespace Prefix: | cnty_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_ProductOrServiceAxis=srt_HotelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=us-gaap_FoodAndBeverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |