Accounts Receivable Expected Collected Period

No definition available.

Name:	cnty_AccountsReceivableExpectedCollectedPeriod
Namespace Prefix:	cnty_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Accounts Receivable Write Down To Allowance For Doubtful Period

+ References

No definition available.

+ Details

Name:	cnty_AccountsReceivableWriteDownToAllowanceForDoubtfulPeriod
Namespace Prefix:	cnty_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Government Subsidies

+ References

No definition available.

+ Details

Name:	cnty_GovernmentSubsidies
Namespace Prefix:	cnty_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Marketing Incentives And Players Points Allocated To Gaming Revenue

+ References

No definition available.

+ Details

Name:	cnty_MarketingIncentivesAndPlayersPointsAllocatedToGamingRevenue
Namespace Prefix:	cnty_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

- Definition

Significant Accounting Policies [Line Items]

+ References

No definition available.

+ Details

Name:	cnty_SignificantAccountingPoliciesLineItems
Namespace Prefix:	cnty_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

+ Details

Name:	us-gaap_AdvertisingExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_RestrictedCash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_StatementGeographicalAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=cnty_DepositsAndOtherRelatedToCashGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=cnty_DepositsRelatedToPaymentsOfPrizesAndGiveawaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=cnty_CasinosPolandLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=cnty_DepositsRelatedToInsurancePolicyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Significant Accounting Policies (Narrative) (Details) $ in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CAD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Significant Accounting Policies [Line Items]
Restricted cash	$ 264		$ 886
Accounts receivable expected to be collected period of the maturity date	6 months	6 months
Accounts receivable written off after	1 year	1 year
Marketing incentives and player club points allocated to gaming revenue	$ 30,300		15,300	$ 11,600
Outstanding balance of promotional balance liability	1,000		1,400
Advertising costs	2,600		3,400	$ 2,200
Canada [Member]
Significant Accounting Policies [Line Items]
Qualified payroll credits	5,500	$ 7.4
Deposits And Other Related To A Cash Guarantee [Member]
Significant Accounting Policies [Line Items]
Restricted cash			600
Deposits Related To Payments Of Prizes And Giveaways [Member] \| Casinos Poland [Member]
Significant Accounting Policies [Line Items]
Restricted cash	200		300
Deposits Related To Insurance Policy [Member] \| Maximum [Member]
Significant Accounting Policies [Line Items]
Restricted cash	$ 100		$ 100