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Leases (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Jan. 01, 2019
Cumulative-effect adjustment on retained earnings	$ 56,669	$ 8,667
Accounting Standards Update 2016-02 [Member]
Cumulative-effect adjustment on retained earnings			$ 300
Minimum [Member]
Remaining lease term		1 month
Maximum [Member]
Remaining lease term		16 years
Century Casino Bath [Member]
Impairment related to ROU asset	$ 7,300

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Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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