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Promotional Allowances (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Promotional Allowances [Line Items]
Total promotional allowances	$ 282	$ 280
Outstanding Balance Of Promotional Allowance Liability	700		$ 700
Hotel [Member]
Promotional Allowances [Line Items]
Total promotional allowances	14	12
Food And Beverage [Member]
Promotional Allowances [Line Items]
Total promotional allowances	$ 268	$ 268

X

- Definition

This element represents the outstanding balance of the promotional allowance liability. Promotional allowances are the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge.

+ References

No definition available.

+ Details

Name:	cnty_OutstandingBalanceOfPromotionalAllowanceLiability
Namespace Prefix:	cnty_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Promotional allowances, estimated cost

+ References

No definition available.

+ Details

Name:	cnty_PromotionalAllowancesEstimatedCost
Namespace Prefix:	cnty_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=cnty_HotelRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=cnty_FoodAndBeverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: