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Significant Accounting Policies (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | $ 5,018 | $ 4,750 | $ 2,413
Hotel [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | 529 | 542 | 348
Food And Beverage [Member] |  |  |
Promotional Allowances [Line Items] |  |  |
Promotional allowances, estimated cost | $ 4,489 | $ 4,208 | $ 2,065

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Balance Type: | debit
Period Type: | duration

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

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- Details
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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: |