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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		December 31,				December 31,				December 31,				December 31,
(In thousands)		2021				2020				2019				2018
Cash and cash equivalents		$	344,557			$	519,182			$	249,977			$	249,417
Restricted cash			12,571				15,817				20,471				23,785
Total cash, cash equivalents and restricted cash		$	357,128			$	534,999			$	270,448			$	273,202

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

		Year Ended December 31,
(In thousands)		2021				2020				2019
Beginning balance, January 1,		$	4,106			$	4,474			$	3,607
Additions			171				440				929
Deductions			(939	)			(808	)			(62	)
Ending balance, December 31,		$	3,338			$	4,106			$	4,474

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,
2022		$	635
2023			680
2024			730
2025			785
2026			845
Thereafter			14,720
Total		$	18,395

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

		Year Ended December 31,
(In thousands)		2021				2020				2019
Beginning balance, January 1,		$	45,436			$	43,604			$	37,501
Additions
Charged to costs and expenses			88,806				105,739				121,075
Payments made			(91,679	)			(103,907	)			(114,972	)
Ending balance, December 31,		$	42,563			$	45,436			$	43,604

Schedule Of Promotional Allowances [Table Text Block]

		Year Ended December 31,
(In thousands)		2021				2020				2019
Food & beverage		$	104,309			$	90,714			$	215,989
Rooms			60,536				46,841				96,296
Other			6,599				5,508				14,908

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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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