XML 48 R35.htm IDEA: XBRL DOCUMENT
v3.19.1

Significant Accounting Policies (Narrative) (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($)
Accounting Standards Update 2016-02 [Member] |
Significant Accounting Policies [Line Items] |
Cumulative-effect adjustment on retained earnings | $ 0.3

X
- 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

X
- Definition Amount of the cumulative effect on retained earnings net of related income tax effect. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794 + Details
Name: | us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |