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Acquisitions (Narrative) (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 06, 2019 USD ($) item | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | [2] | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | [1] | Jun. 30, 2018 USD ($) | [3] | Mar. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |  |  | $ 218,227 | $ 168,938 | $ 164,455
Net earnings attributable to Century Casinos, Inc. shareholders |  | $ (20,140) | [1] | $ 482 | $ (565) | $ 1,068 | $ 506 | [3] | $ 1,640 | $ 317 | $ 926 | (19,155) | 3,394 | 6,259
Goodwill |  | $ 32,936 |  |  |  |  | $ 13,993 |  |  |  |  | $ 32,936 | $ 13,993 | 15,162
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,494
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial lease term |  | 1 month |  |  |  |  |  |  |  |  |  | 1 month |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial lease term |  | 20 years |  |  |  |  |  |  |  |  |  | 20 years |  |
Acquired Casinos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration | $ 388,400 |  |  |  |  |  |  |  |  |  |  |  |  |
Initial payment | 110,571 |  |  |  |  |  |  |  |  |  |  |  |  |
Base price | 107,200 |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, acquired assets | 379,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, cash and restricted cash | 13,900 |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, liabilities | 287,900 |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | 18,629 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  |  |  |  |  | $ 96,629 |  |
Fair value of the acquired real estate assets | 277,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 5,400 |  |
Acquisition-related contingencies |  | $ 1,000 |  |  |  |  |  |  |  |  |  | 1,000 |  |
Acquired Casinos [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition-related contingencies | 900 |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Casinos [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ancillary agreement fees |  |  |  |  |  |  |  |  |  |  |  | 100 |  |
Acquisition-related contingencies | 1,900 |  |  |  |  |  |  |  |  |  |  |  |  |
Macquarie Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount | 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |
VICI [Member] | Master Lease [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial annual rent | $ 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Initial lease term | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of renewal options | item | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Lease renewal term | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
VICI [Member] | Master Lease [Member] | Acquired Casinos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial annual rent | $ 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Initial lease term | 15 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of renewal options | item | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Lease renewal term | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Century Casino Cape Girardeau [Member] | Acquired Casinos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |  |  | 4,600 |  |
Net earnings attributable to Century Casinos, Inc. shareholders |  |  |  |  |  |  |  |  |  |  |  | 600 |  |
Century Casino Caruthersville [Member] | Acquired Casinos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |  |  | 2,800 |  |
Net earnings attributable to Century Casinos, Inc. shareholders |  |  |  |  |  |  |  |  |  |  |  | $ 400 |  |
Mountaineer Casino [Member] | Trademarks [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Mountaineer Casino [Member] | Acquired Casinos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  |  |  |  |  |  |  |  |  |  |  | $ 8,700 |  |
Net earnings attributable to Century Casinos, Inc. shareholders |  |  |  |  |  |  |  |  |  |  |  | $ 400 |  |
[1] | The Company completed the Acquisition in December 2019. See Note 3. In addition, the Company impaired assets related to CCB in December 2019. See Notes 5, 6 and 10.
[2] | CMR began operating in April 2019.
[3] | CCB began operating in May 2018.

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