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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Cash and Cash Equivalents and Restricted Cash [Table Text Block]

		December 31,				December 31,				December 31,				December 31,
(In thousands)		2020				2019				2018				2017
Cash and cash equivalents		$	519,182			$	249,977			$	249,417			$	203,104
Restricted cash			15,817				20,471				23,785				24,175
Total cash, cash equivalents and restricted cash		$	534,999			$	270,448			$	273,202			$	227,279

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Beginning balance, January 1,		$	4,474			$	3,607			$	2,072
Additions due to Acquisitions			—				—				1,425
Additions			440				929				180
Deductions			(808	)			(62	)			(70	)
Ending balance, December 31,		$	4,106			$	4,474			$	3,607

Property, Plant and Equipment, Useful Life [Table Text Block]

Building and improvements	3 through 40 years
Riverboats and barges	5 through 40 years
Furniture and equipment	1 through 12 years

Investments Classified by Contractual Maturity Date [Table Text Block]

(In thousands)
For the year ending December 31,
2021		$	590
2022			635
2023			680
2024			730
2025			785
Thereafter			15,565
Total		$	18,985

Schedule of Changes in Self Insurance Reserves [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Beginning balance, January 1,		$	43,604			$	37,501			$	33,995
Additions
Charged to costs and expenses			105,739				121,075				90,299
Due to acquisitions			—				—				3,279
Payments made			(103,907	)			(114,972	)			(90,072	)
Ending balance, December 31,		$	45,436			$	43,604			$	37,501

Schedule Of Promotional Allowances [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Food & beverage		$	90,714			$	215,989			$	182,960
Rooms			46,841				96,296				81,671
Other			5,508				14,908				11,939

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
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