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Note 4 - Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Impairment of Intangible Assets (Excluding Goodwill), Total		$ 62,700	$ 0	$ 0
Customer Relationships [Member]
Finite-Lived Intangible Asset, Original Life (Year)		5 years
Finite-Lived Intangible Asset, Useful Life (Year)		2 years 6 months	3 years 6 months
Host Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years
Trademarks [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 16,900	$ 3,600
Trademarks [Member] | Las Vegas Locals [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	8,000	2,500
Trademarks [Member] | Midwest and South [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	8,900	$ 1,100
Licensing Agreements [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 42,200

X

- Definition

The original life of finite-lived intangible assets.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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X

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

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X

- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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- Details

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- Details

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X

- Details

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