Leases (Narrative) (Details)	9 Months Ended
Sep. 30, 2019 item
Minimum [Member]
Lease term	1 month
Maximum [Member]
Lease term	28 years
Casino Space [Member]
Number of casinos onboard cruise ships	5
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]
Lease, option to extend	true
Lease, option to terminate	true
Lease, option to terminate	within one year
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 Casino Bath [Member] \| Casino Space [Member]
Lease term	28 years
Lease renew term	15 years
Casinos Poland [Member] \| Casino Space [Member]
Number of casino operating	8
Casinos Poland [Member] \| Casino Space [Member] \| Minimum [Member]
Lease term	6 years
Casinos Poland [Member] \| Casino Space [Member] \| Maximum [Member]
Lease term	12 years

Number of casino licenses operating

No definition available.

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- Definition

Number of cruise ships.

+ References

No definition available.

+ Details

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- Definition

Number Of Options To Renew Lease

+ References

No definition available.

+ Details

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Namespace Prefix:	cnty_
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- 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

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- Definition

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

+ References

+ Details

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- Definition

Description of terms and conditions of option to terminate lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

+ Details

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- 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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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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