Additional interest to purchase under option, percentage.

No definition available.

Name:	cnty_AdditionalInterestToPurchaseUnderOptionPercentage
Namespace Prefix:	cnty_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum Percentage of each tranche

+ References

No definition available.

+ Details

Name:	cnty_MinimumPercentageOfEachTranche
Namespace Prefix:	cnty_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of directors

+ References

No definition available.

+ Details

Name:	cnty_NumberOfDirectors
Namespace Prefix:	cnty_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of directors appointed.

+ References

No definition available.

+ Details

Name:	cnty_NumberOfDirectorsAppointed
Namespace Prefix:	cnty_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of Option to Purchase Additional Equity Interest

+ References

No definition available.

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460

+ Details

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

- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594

+ Details

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

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cnty_MendozaCentralEntretenimientosSMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cnty_CenturyBetsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

Investments (Narrative) (Details) $ in Thousands		12 Months Ended
Investments (Narrative) (Details) $ in Thousands	Oct. 31, 2014 USD ($)	Dec. 31, 2016 USD ($) employee	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Investment in Mendoza Central Entretenmientos S.A.		$ 0	$ 0	$ 1,000
Cost investment		$ 1,000	$ 1,000
Mendoza Central Entretenimientos S. A. [Member]
Business Acquisition [Line Items]
Ownership interest		7.50%
Acquisition costs				200
Number of directors appointed \| employee		1
Cost investment		$ 1,000
Century Bets! Inc. [Member]
Business Acquisition [Line Items]
Acquisition costs				$ 100
Century Casinos Europe GmbH [Member] \| Mendoza Central Entretenimientos S. A. [Member]
Business Acquisition [Line Items]
Ownership interest	7.50%
Period of option to purchase additional equity interest	3 years
Additional interest to purchase under option, percentage	50.00%
Investment in Mendoza Central Entretenmientos S.A.	$ 1,000
Minimum percentage of each tranche		10.00%
Century Casinos Europe GmbH [Member] \| Century Bets! Inc. [Member]
Business Acquisition [Line Items]
Ownership percentage		75.00%
Number of directors \| employee		4
Number of directors appointed \| employee		3
Rocky Mountain Turf Club [Member] \| Century Bets! Inc. [Member]
Business Acquisition [Line Items]
Owned by noncontrolling interest		25.00%