Leases (Narrative) (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($) item
Lease, option to extend	true
Lease, option to terminate	true
Minimum [Member]
Lease term	1 month
Maximum [Member]
Lease term	28 years
Casino Space [Member]
Number of casinos onboard cruise ships	9
Corporate Offices [Member] \| Vienna, Austria [Member]
Lease term	3 years
Lease renew term	3 years
Corporate Offices [Member] \| Colorado Springs, Colorado [Member]
Lease term	10 years
Other Equipment [Member] \| Minimum [Member]
Lease term	1 year
Other Equipment [Member] \| Maximum [Member]
Lease term	6 years
Century Mile [Member] \| Land [Member]
Lease term	20 years
Number of lease options to renew	6
Lease renew term	5 years
Century Mile [Member] \| Racing Equipment [Member]
Additional leases, not yet commenced \| $	$ 1.0
Century Casino Bath [Member] \| Casino Space [Member]
Lease term	28 years
Lease renew term	15 years
Casinos Poland [Member] \| Casino Space [Member]
Lease term	6 years

Lessee Lease, Lease Not Yet Commenced, Additional Liability

No definition available.

Name:	cnty_LesseeLeaseLeaseNotYetCommencedAdditionalLiability
Namespace Prefix:	cnty_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of cruise ships.

+ References

No definition available.

+ Details

Name:	cnty_NumberOfCruiseShips
Namespace Prefix:	cnty_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Options To Renew Lease

+ References

No definition available.

+ Details

Name:	cnty_NumberOfOptionsToRenewLease
Namespace Prefix:	cnty_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Indicates (true false) whether lessee has option to extend operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates (true false) whether lessee has option to terminate operating lease.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseExistenceOfOptionToTerminate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=srt_OfficeBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_StatementGeographicalAxis=cnty_ColoradoSpringsColoradoMember
Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	dei_LegalEntityAxis=cnty_SawCloseCasinoLtd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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