Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Total Revenue	$ 1,033,998	$ 967,512	$ 2,025,563	$ 1,928,033
Operating costs and expenses
Selling, general and administrative	110,065	105,134	217,911	213,318
Master lease rent expense	28,442	27,852	56,602	55,087
Maintenance and utilities	37,322	36,946	74,047	71,690
Depreciation and amortization	69,985	65,677	138,208	128,590
Corporate expense	35,365	31,255	65,316	60,640
Project development, preopening and writedowns	2,764	7,586	1,242	10,607
Impairment of assets	0	0	32,272	10,500
Other operating items, net	762	5,442	3,507	5,853
Total operating costs and expenses	791,628	740,406	1,583,306	1,481,542
Operating income	242,370	227,106	442,257	446,491
Other expense (income)
Interest income	(1,263)	(403)	(2,071)	(849)
Interest expense, net of amounts capitalized	50,569	42,949	99,006	85,258
Other, net	(48)	50	59	100
Total other expense, net	49,258	42,596	96,994	84,509
Income before income taxes	193,112	184,510	345,263	361,982
Income tax provision	(42,758)	(44,665)	(84,027)	(85,664)
Net income	150,354	139,845	261,236	276,318
Net loss attributable to noncontrolling interest	1,104	0	1,641	0
Net income attributable to Boyd Gaming	$ 151,458	$ 139,845	$ 262,877	$ 276,318
Basic net income per common share (in dollars per share)	$ 1.84	$ 1.47	$ 3.14	$ 2.87
Weighted average basic shares outstanding (in shares)	82,289	95,042	83,696	96,238
Diluted net income per common share (in dollars per share)	$ 1.84	$ 1.47	$ 3.14	$ 2.87
Weighted average diluted shares outstanding (in shares)	82,303	95,080	83,712	96,280
Casino [Member]
Total Revenue	$ 671,455	$ 650,827	$ 1,310,148	$ 1,284,958
Operating costs and expenses
Cost of revenue	259,554	252,067	505,677	497,753
Food and Beverage [Member]
Total Revenue	78,167	76,994	152,325	149,633
Operating costs and expenses
Cost of revenue	65,633	63,182	128,970	125,139
Occupancy [Member]
Total Revenue	51,453	52,595	98,841	101,542
Operating costs and expenses
Cost of revenue	19,492	19,342	38,489	38,054
Online [Member]
Total Revenue	173,051	129,930	342,624	276,100
Operating costs and expenses
Cost of revenue	150,095	112,675	296,125	238,150
Management Service [Member]
Total Revenue	23,775	21,252	48,921	43,497
Product and Service, Other [Member]
Total Revenue	36,097	35,914	72,704	72,303
Operating costs and expenses
Cost of revenue	$ 12,149	$ 13,248	$ 24,940	$ 26,161