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Commitments And Contingencies (Narrative) (Details) $ in Thousands, zł in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2021 PLN (zł) | Jun. 30, 2020 USD ($) | Jun. 30, 2020 PLN (zł) | Jun. 30, 2021 PLN (zł) | Dec. 31, 2020 USD ($) | Mar. 31, 2020
Commitments and Contingencies [Line items] |  |  |  |  |  |  |  |  |
Contingent liability | $ 478 |  | $ 478 |  |  |  |  | $ 476 |
General and administrative | 21,154 | $ 8,930 | 41,421 |  | $ 35,306 |  |  |  |
Casinos Poland [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line items] |  |  |  |  |  |  |  |  |
Income tax audit costs |  |  | 4,200 | zł 14.3 |  |  |  |  |
Casinos Poland [Member] | Lot Polish Airlines Invesment [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line items] |  |  |  |  |  |  |  |  |
General and administrative |  |  |  |  | $ 700 | zł 3.0 |  |  |
Casinos Poland [Member] | Polish Airports Company [Member] | Lot Polish Airlines Invesment [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line items] |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  |  |  |  |  | 33.30%
Review of All Tax Open Periods [Member] |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line items] |  |  |  |  |  |  |  |  |
Contingent liability | $ 500 |  | $ 500 |  |  |  | zł 1.8 |  |

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