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Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Significant Accounting Policies [Line Items] |  |  |  |  |
Restricted cash |  |  | $ 1,013 |  | $ 1,013
Estimated cost of promotional allowances | [1] |  | 2,743 |  | 7,756
Duration in which payments for management and consulting services fees are typically due |  |  |  | 30 days |
Impairment on receivables and contract liabilities |  |  |  | $ 0 |
Contract Liabilitiy |  | $ 200 | 200 | 200 | 200
Hotel, Food And Beverage [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated cost of promotional allowances |  | 300 |  | $ 900 |
Maximum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Duration of Company's contracts and contract liabilities |  |  |  | 1 year |
Expected duration of performace obligation |  |  |  | 1 year |
Included In Deposits And Other [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Restricted cash |  | 721 | $ 748 | $ 721 | $ 748
Included In Deposits And Other [Member] | Century Casino Bath [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Restricted cash |  | 600 |  | 600 |
Deposits Related To Payments Of Prizes and Giveaways [Member] | Casinos Poland Ltd [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Restricted cash |  | $ 100 |  | $ 100 |
[1] | See Note 2 for a discussion of the impact of the adoption of ASU 2014-09 on the presentation of promotional allowances

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