Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating revenues
Gaming	$ 631,668	$ 633,237	$ 1,859,339	$ 1,893,722
Food and beverage	115,072	114,397	332,068	338,975
Room	75,330	72,299	210,072	203,308
Other	44,441	43,808	124,574	125,017
Gross revenues	866,511	863,741	2,526,053	2,561,022
Less promotional allowances	127,668	125,172	356,327	348,121
Net revenues	738,843	738,569	2,169,726	2,212,901
Operating costs and expenses
Gaming	294,118	302,373	867,506	887,436
Food and beverage	61,511	57,655	179,976	181,950
Room	14,679	12,556	42,330	41,611
Other	33,554	33,056	91,708	92,429
Selling, general and administrative	113,436	122,837	349,494	373,865
Maintenance and utilities	45,050	45,735	131,337	125,986
Depreciation and amortization	66,168	69,002	198,245	209,358
Depreciation and amortization			198,245
Corporate expense	15,064	12,084	52,605	42,588
Preopening expense	1,262	1,675	3,836	4,829
Impairments of assets	18,279	1,250	20,205	8,198
Asset transactions costs	3,064	(1,362)	5,078	2,265
Other operating items, net	(1,116)	3,386	(1,863)	5,181
Total operating costs and expenses	665,069	660,247	1,940,457	1,973,780
Operating income	73,774	78,322	229,269	239,121
Other expense (income)
Interest income	(466)	(553)	(1,412)	(1,779)
Interest expense, net	75,420	83,145	226,219	266,953
Loss on early extinguishments of debt	71	27,141	1,129	29,513
Other, net	116	136	498	335
Total other expense, net	75,141	109,869	226,434	294,352
Income (loss) from continuing operations before income taxes	(1,367)	(31,547)	2,835	(55,231)
Income taxes benefit (expense)	(1,961)	(3,048)	12,050	3,478
Loss from continuing operations, net of tax	(3,328)	(34,595)	(9,215)	(51,753)
Income from discontinued operations, net of tax	0	0	0	10,790
Net loss	(3,328)	(34,595)	(9,215)	(40,963)
Less: net income (loss) attributable to noncontrolling interest	(11,777)	(2,672)	(11,403)	8,039
Net loss attributable to Boyd Gaming Corporation	(15,105)	(37,267)	(20,618)	(32,924)
Basic net income (loss) per common share:
Continuing operations	$ (0.14)	$ (0.37)	$ (0.19)	$ (0.47)
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.12
Basic net loss per common share	$ (0.14)	$ (0.37)	$ (0.19)	$ (0.35)
Weighted average basic shares outstanding	109,923	101,555	109,854	93,122
Diluted net income (loss) per common share:
Continuing operations	$ (0.14)	$ (0.37)	$ (0.19)	$ (0.47)
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.12
Diluted net loss per common share	$ (0.14)	$ (0.37)	$ (0.19)	$ (0.35)
Weighted average diluted shares outstanding	109,923	101,555	109,854	93,122
Unallocated to Segment
Operating costs and expenses
Depreciation and amortization	66,168	69,002		209,358
Corporate expense	13,848	10,409	42,643	34,675
Preopening expense			3,836	4,829
Impairments of assets			20,205	6,282
Impairments of assets				6,282
Asset transactions costs				$ 2,265