Consolidating Condensed Financial Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Dec. 31, 2012
Condensed Financial Statements, Captions
Subsidiary reporting information, assets	$ 47,000,000
Revenues:
Gaming	277,184,000		259,662,000
Food and beverage	17,408,000		16,201,000
Other	18,000,000		17,100,000
Total revenues	312,639,000		292,985,000
Expenses and other costs:
Gaming	156,209,000		142,839,000
Food and beverage	15,268,000		14,572,000
General and administrative and other	76,700,000		65,900,000
Depreciation and amortization	28,002,000		26,246,000
Write-downs, reserves and recoveries, net	314,000		8,000
Total expenses and other costs	276,523,000		249,491,000
Operating income (loss)	36,116,000		43,494,000
Equity earnings of subsidiaries	0		0
Net interest expense, net of capitalized interest	(28,670,000)		(21,918,000)
Loss on early extinguishment of debt	0		(20,718,000)
Loss from equity method investments	(92,181,000)		(1,595,000)
Management fee and inter-company interest	0		0
Income tax (expense) benefit	(611,000)		411,000
Income from continuing operations	(85,346,000)		(326,000)
Loss from discontinued operations, net of taxes	(45,000)		(683,000)
Net loss	(85,391,000)		(1,009,000)
Condensed Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012
Current assets	136,900,000				146,700,000
Land, buildings, vessels and equipment, net	1,718,585,000				1,695,978,000
Other non-current assets	152,700,000				136,300,000
Investment in subsidiaries	0				0
Equity method investments	424,000				91,424,000
Assets of discontinued operations held for sale	38,609,000				38,609,000
Inter-company	0				0
Total assets	2,047,241,000				2,108,994,000
Current liabilities	207,700,000				197,800,000
Long-term debt less current portion	1,436,740,000				1,437,251,000
Other non-current liabilities	26,600,000				26,800,000
Liabilities of dicontinued operations held for sale	0				0
Inter-company	0				0
Stockholders' Equity Attributable to Parent	364,727,000				447,117,000
Stockholders' Equity Attributable to Noncontrolling Interest	11,518,000				0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	376,245,000				447,117,000
Total liabilities and stockholders' equity	2,047,241,000				2,108,994,000
Condensed Consolidated Statements of Cash Flows for the Three Months ended March 31, 2013 and 2012
Cash provided by (used in) operating activities	41,387,000		54,043,000
Cash used in investing activities	(43,540,000)		(66,872,000)
Cash provided by financing activities	(762,000)		189,535,000
Increase (decrease) in cash and cash equivalents	(2,915,000)		176,706,000
Cash and cash equivalents at the beginning of the period	101,792,000		80,294,000
Cash and cash equivalents at the end of the period	98,877,000		257,000,000
Parent Company
Revenues:
Gaming	0		0
Food and beverage	0		0
Other	0		0
Total revenues	0		0
Expenses and other costs:
Gaming	0		0
Food and beverage	0		0
General and administrative and other	13,400,000		7,600,000
Depreciation and amortization	1,600,000		700,000
Write-downs, reserves and recoveries, net	0		0
Total expenses and other costs	15,000,000		8,300,000
Operating income (loss)	(15,000,000)		(8,300,000)
Equity earnings of subsidiaries	(43,500,000)		47,100,000
Net interest expense, net of capitalized interest	(29,000,000)		(27,300,000)
Loss on early extinguishment of debt			(20,700,000)
Loss from equity method investments	0		0
Income (loss) from continuing operations before inter-company activity and income taxes	(87,500,000)		(9,200,000)
Management fee and inter-company interest	2,700,000		7,800,000
Income tax (expense) benefit	(600,000)		400,000
Income from continuing operations	(85,400,000)		(1,000,000)
Loss from discontinued operations, net of taxes	0		0
Net loss	(85,400,000)		(1,000,000)
Condensed Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012
Current assets	20,100,000				17,400,000
Land, buildings, vessels and equipment, net	21,300,000				21,700,000
Other non-current assets	46,400,000				47,400,000
Investment in subsidiaries	1,783,500,000				1,861,400,000
Equity method investments	0				0
Assets of discontinued operations held for sale	0				0
Inter-company	1,200,000				1,200,000
Total assets	1,872,500,000				1,949,100,000
Current liabilities	57,200,000				50,900,000
Long-term debt less current portion	1,436,700,000				1,437,300,000
Other non-current liabilities	13,900,000				13,800,000
Liabilities of dicontinued operations held for sale					0
Inter-company	0				0
Stockholders' Equity Attributable to Parent	364,700,000				447,100,000
Stockholders' Equity Attributable to Noncontrolling Interest	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	364,700,000
Total liabilities and stockholders' equity	1,872,500,000				1,949,100,000
Condensed Consolidated Statements of Cash Flows for the Three Months ended March 31, 2013 and 2012
Cash provided by (used in) operating activities	8,400,000		(29,000,000)
Cash used in investing activities	3,300,000		(2,300,000)
Cash provided by financing activities	(800,000)		189,600,000
Increase (decrease) in cash and cash equivalents	10,900,000		158,300,000
Cash and cash equivalents at the beginning of the period	5,500,000		17,300,000
Cash and cash equivalents at the end of the period	16,400,000		175,600,000
Guarantor Subsidiaries [Member]
Revenues:
Gaming	277,200,000	[1]	259,700,000	[1]
Food and beverage	17,400,000	[1]	16,200,000	[1]
Other	18,000,000	[1]	17,100,000	[1]
Total revenues	312,600,000	[1]	293,000,000	[1]
Expenses and other costs:
Gaming	156,200,000	[1]	142,800,000	[1]
Food and beverage	15,300,000	[1]	14,600,000	[1]
General and administrative and other	63,100,000	[1]	58,300,000	[1]
Depreciation and amortization	26,400,000	[1]	25,500,000	[1]
Write-downs, reserves and recoveries, net	500,000	[1]	(2,000,000)	[1]
Total expenses and other costs	261,500,000	[1]	239,200,000	[1]
Operating income (loss)	51,100,000	[1]	53,800,000	[1]
Equity earnings of subsidiaries	0	[1]	0	[1]
Net interest expense, net of capitalized interest	300,000	[1]	3,300,000	[1]
Loss on early extinguishment of debt			0	[1]
Loss from equity method investments	0	[1]	0	[1]
Income (loss) from continuing operations before inter-company activity and income taxes	51,400,000	[1]	57,100,000	[1]
Management fee and inter-company interest	(2,700,000)	[1]	(5,700,000)	[1]
Income tax (expense) benefit	0	[1]	0	[1]
Income from continuing operations	48,700,000	[1]	51,400,000	[1]
Loss from discontinued operations, net of taxes	0	[1]	(700,000)	[1]
Net loss	48,700,000	[1]	50,700,000	[1]
Condensed Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012
Current assets	105,100,000	[1]			106,300,000	[1]
Land, buildings, vessels and equipment, net	1,691,100,000	[1]			1,672,800,000	[1]
Other non-current assets	78,300,000	[1]			74,500,000	[1]
Investment in subsidiaries	0	[1]			0	[1]
Equity method investments	0	[1]			0	[1]
Assets of discontinued operations held for sale	38,600,000	[1]			38,600,000	[1]
Inter-company	0	[1]			0	[1]
Total assets	1,913,100,000	[1]			1,892,200,000	[1]
Current liabilities	149,200,000	[1]			146,300,000	[1]
Long-term debt less current portion	0	[1]			0	[1]
Other non-current liabilities	12,700,000	[1]			12,700,000	[1]
Liabilities of dicontinued operations held for sale					0	[1]
Inter-company	0	[1]			0	[1]
Stockholders' Equity Attributable to Parent	1,751,200,000	[1]			1,733,200,000	[1]
Stockholders' Equity Attributable to Noncontrolling Interest	0	[1]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,751,200,000	[1]
Total liabilities and stockholders' equity	1,913,100,000	[1]			1,892,200,000	[1]
Condensed Consolidated Statements of Cash Flows for the Three Months ended March 31, 2013 and 2012
Cash provided by (used in) operating activities	32,900,000	[1]	70,400,000	[1]
Cash used in investing activities	(35,500,000)	[1]	(60,100,000)	[1]
Cash provided by financing activities	0	[1]	0	[1]
Increase (decrease) in cash and cash equivalents	(2,600,000)	[1]	10,300,000	[1]
Cash and cash equivalents at the beginning of the period	73,500,000	[1]	48,000,000	[1]
Cash and cash equivalents at the end of the period	70,900,000	[1]	58,300,000	[1]
Non-Guarantor Subsidiaries [Member]
Revenues:
Gaming	0	[2]	0	[2]
Food and beverage	0	[2]	0	[2]
Other	0	[2]	0	[2]
Total revenues	0	[2]	0	[2]
Expenses and other costs:
Gaming	0	[2]	0	[2]
Food and beverage	0	[2]	0	[2]
General and administrative and other	200,000	[2]	0	[2]
Depreciation and amortization	0	[2]	0	[2]
Write-downs, reserves and recoveries, net	(200,000)	[2]	2,000,000	[2]
Total expenses and other costs	0	[2]	2,000,000	[2]
Operating income (loss)	0	[2]	(2,000,000)	[2]
Equity earnings of subsidiaries	0	[2]	0	[2]
Net interest expense, net of capitalized interest	0	[2]	2,100,000	[2]
Loss on early extinguishment of debt			0
Loss from equity method investments	(92,200,000)	[2]	(1,600,000)
Income (loss) from continuing operations before inter-company activity and income taxes	(92,200,000)	[2]	(1,500,000)	[2]
Management fee and inter-company interest	0	[2]	(2,100,000)	[2]
Income tax (expense) benefit	0	[2]	0	[2]
Income from continuing operations	(92,200,000)	[2]	(3,600,000)	[2]
Loss from discontinued operations, net of taxes	0	[2]	0	[2]
Net loss	(92,200,000)	[2]	(3,600,000)	[2]
Condensed Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012
Current assets	11,700,000	[2]			23,000,000	[2]
Land, buildings, vessels and equipment, net	6,200,000	[2]			1,500,000	[2]
Other non-current assets	28,000,000	[2]			14,400,000	[2]
Investment in subsidiaries	0	[2]			0	[2]
Equity method investments	400,000	[2]			91,400,000	[2]
Assets of discontinued operations held for sale	700,000	[2]			700,000	[2]
Inter-company	0	[2]			0	[2]
Total assets	47,000,000	[2]			131,000,000	[2]
Current liabilities	1,300,000	[2]			600,000	[2]
Long-term debt less current portion	0	[2]			0	[2]
Other non-current liabilities	0	[2]			300,000	[2]
Liabilities of dicontinued operations held for sale					0	[2]
Inter-company	1,200,000	[2]			1,200,000	[2]
Stockholders' Equity Attributable to Parent	33,000,000	[2]			128,900,000	[2]
Stockholders' Equity Attributable to Noncontrolling Interest	11,500,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	44,500,000
Total liabilities and stockholders' equity	47,000,000	[2]			131,000,000	[2]
Condensed Consolidated Statements of Cash Flows for the Three Months ended March 31, 2013 and 2012
Cash provided by (used in) operating activities	100,000	[2]	12,600,000	[2]
Cash used in investing activities	(11,300,000)	[2]	(4,500,000)	[2]
Cash provided by financing activities	0	[2]	0	[2]
Increase (decrease) in cash and cash equivalents	(11,200,000)	[2]	8,100,000	[2]
Cash and cash equivalents at the beginning of the period	22,800,000	[2]	15,000,000	[2]
Cash and cash equivalents at the end of the period	11,600,000	[2]	23,100,000	[2]
Consolidation, Eliminations
Revenues:
Gaming	0		0
Food and beverage	0		0
Other	0		0
Total revenues	0		0
Expenses and other costs:
Gaming	0		0
Food and beverage	0		0
General and administrative and other	0		0
Depreciation and amortization	0		0
Write-downs, reserves and recoveries, net	0		0
Total expenses and other costs	0		0
Operating income (loss)	0		0
Equity earnings of subsidiaries	43,500,000		(47,100,000)
Net interest expense, net of capitalized interest	0		0
Loss on early extinguishment of debt			0
Loss from equity method investments	0		0
Income (loss) from continuing operations before inter-company activity and income taxes	43,500,000		(47,100,000)
Management fee and inter-company interest	0		0
Income tax (expense) benefit	0		0
Income from continuing operations	43,500,000		(47,100,000)
Loss from discontinued operations, net of taxes	0		0
Net loss	43,500,000		(47,100,000)
Condensed Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012
Current assets	0				0
Land, buildings, vessels and equipment, net	0				0
Other non-current assets	0				0
Investment in subsidiaries	(1,783,500,000)				(1,861,400,000)
Equity method investments	0				0
Assets of discontinued operations held for sale	(700,000)				(700,000)
Inter-company	(1,200,000)				(1,200,000)
Total assets	(1,785,400,000)				(1,863,300,000)
Current liabilities	0				0
Long-term debt less current portion	0				0
Other non-current liabilities	0				0
Liabilities of dicontinued operations held for sale					0
Inter-company	(1,200,000)				(1,200,000)
Stockholders' Equity Attributable to Parent	(1,784,200,000)				(1,862,100,000)
Stockholders' Equity Attributable to Noncontrolling Interest	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(1,784,200,000)
Total liabilities and stockholders' equity	(1,785,400,000)				(1,863,300,000)
Condensed Consolidated Statements of Cash Flows for the Three Months ended March 31, 2013 and 2012
Cash provided by (used in) operating activities	0		0
Cash used in investing activities	0		0
Cash provided by financing activities	0		0
Increase (decrease) in cash and cash equivalents	0		0
Cash and cash equivalents at the beginning of the period	0		0
Cash and cash equivalents at the end of the period	$ 0		$ 0

[1] The following material subsidiaries are identified as guarantors of our senior and senior subordinated notes: ACE Gaming, LLC; AREP Boardwalk Properties LLC; Belterra Resort Indiana, LLC; Boomtown, LLC; Casino Magic, LLC; Casino One Corporation; Louisiana-I Gaming; Mitre Associates LLC; PNK (Baton Rouge) Partnership; PNK (Biloxi), LLC; PNK (BOSSIER CITY), Inc.; PNK Development 7, LLC; PNK Development 8, LLC; PNK Development 9, LLC; PNK Development 13, LLC; PNK (ES), LLC; PNK (LAKE CHARLES), L.L.C.; PNK (Ohio), LLC; PNK (Ohio) II, LLC; PNK (Ohio) III, LLC; PNK (RENO), LLC; PNK (River City), LLC; PNK (SAM), LLC; PNK (SAZ), LLC; PNK (STLH), LLC; PNK (ST. LOUIS RE), LLC; and PSW Properties LLC. In addition, certain other immaterial subsidiaries are also guarantors of our senior and senior subordinated notes.

[2] Guarantor subsidiaries of our senior and senior subordinated notes exclude: subsidiaries with approximately $47.0 million in cash and other assets, which represent a subsidiary that owns a minority interest in ACDL; a subsidiary that owns a majority interest in the licensee of Retama Park Racetrack; and certain non-material subsidiaries.