Consolidating Condensed Financial Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Condensed Financial Statements, Captions
Subsidiary reporting information, assets	$ 63,300,000
Revenues:
Gaming	480,140,000		240,197,000
Food and beverage	27,613,000		12,939,000
Lodging	10,790,000		4,758,000
Retail, entertainment and other	14,226,000		8,723,000
Revenues	532,769,000		266,617,000
Expenses and other costs:
Gaming	247,994,000		135,745,000
Food and beverage	24,712,000		11,458,000
Lodging	5,129,000		2,969,000
Retail, entertainment and other	4,576,000		3,710,000
General and administrative and other	100,300,000		49,700,000
Pre-opening and development costs	3,412,000		7,553,000
Depreciation and amortization	58,311,000		23,159,000
Write-downs, reserves and recoveries, net	645,000		302,000
Total expenses and other costs	445,046,000		234,697,000
Operating income	87,723,000		31,920,000
Equity earnings of subsidiaries	0		0
Interest expense, net	(66,789,000)		(28,594,000)
Loss from equity method investments	0		(92,181,000)
Management fee and inter-company interest	0		0
Income tax (expense) benefit	2,190,000		(1,068,000)
Income (loss) from continuing operations	18,744,000		(87,787,000)
Income from discontinued operations, net of income taxes	299,000		2,396,000
Net income (loss)	19,043,000		(85,391,000)
Balance Sheets
Current assets	253,400,000				279,600,000
Land, buildings, vessels and equipment, net	3,055,375,000				3,036,515,000
Goodwill	919,282,000				919,282,000
Intangible assets, net	504,951,000				500,084,000
Other non-current assets	97,400,000				101,300,000
Investment in subsidiaries	0				0
Assets of discontinued operations held for sale	322,093,000				322,548,000
Inter-company	0				0
Total assets	5,152,557,000				5,159,426,000
Current liabilities	347,200,000				346,300,000
Long-term debt less current portion	4,333,539,000				4,364,045,000
Other non-current liabilities	203,200,000				197,800,000
Liabilities of dicontinued operations held for sale	18,928,000				26,103,000
Inter-company	0
Additional paid-in capital	1,081,373,000				1,075,896,000
Retained deficit	(779,002,000)				(798,049,000)
Common Stock, Treasury Stock, and Other	(64,200,000)				(64,100,000)
Stockholders' Equity Attributable to Parent	238,246,000				213,704,000
Stockholders' Equity Attributable to Noncontrolling Interest	11,462,000				11,466,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	249,708,000				225,170,000
Total liabilities and stockholders' equity	5,152,557,000				5,159,426,000
Statements of Cash Flows
Cash provided by (used in) operating activities	75,711,000		41,387,000
Capital expenditures	67,300,000		39,031,000
Payments to Acquire Intangible Assets	10,000,000		0
Purchase of held-to-maturity debt securities	0		5,853,000
Loans receivable, net	(1,675,000)		4,586,000
Increase (Decrease) in Restricted Cash	(5,925,000)		0
Cash used in investing activities	(69,725,000)		(43,540,000)
Proceeds from Credit Facility	53,000,000		0
Repayments under Credit Facility	86,000,000		0
Repayments of Long-term Debt	0		813,000
Proceeds from Stock Options Exercised	2,277,000		962,000
Cash provided by financing activities	(30,845,000)		(762,000)
Increase (decrease) in cash and cash equivalents	(24,859,000)		(2,915,000)
Cash and cash equivalents at the beginning of the period	198,575,000		101,792,000
Cash and cash equivalents at the end of the period	173,716,000		98,877,000
Total Attributable to Parent Company
Revenues:
Gaming	0		0
Food and beverage	0		0
Lodging	0		0
Retail, entertainment and other	0		0
Revenues	0		0
Expenses and other costs:
Gaming	0		0
Food and beverage	0		0
Lodging	0		0
Retail, entertainment and other	0		0
General and administrative and other	22,700,000		6,300,000
Pre-opening and development costs	600,000		7,100,000
Depreciation and amortization	1,700,000		1,600,000
Write-downs, reserves and recoveries, net	0		0
Total expenses and other costs	25,000,000		15,000,000
Operating income	(25,000,000)		(15,000,000)
Equity earnings of subsidiaries	76,000,000		(45,200,000)
Interest expense, net	(68,400,000)		(29,000,000)
Loss from equity method investments			0
Income (loss) from continuing operations before inter-company activity and income taxes	(17,400,000)		(89,200,000)
Management fee and inter-company interest	38,600,000		2,700,000
Income tax (expense) benefit	2,200,000		(1,100,000)
Income (loss) from continuing operations	19,000,000		(85,400,000)
Income from discontinued operations, net of income taxes	0		0
Net income (loss)	19,000,000		(85,400,000)
Balance Sheets
Current assets	48,800,000				66,800,000
Land, buildings, vessels and equipment, net	39,500,000				47,700,000
Goodwill	0				0
Intangible assets, net	0				0
Other non-current assets	66,000,000				72,600,000
Investment in subsidiaries	4,505,700,000				4,508,300,000
Assets of discontinued operations held for sale	3,500,000				3,400,000
Inter-company	0				0
Total assets	4,663,500,000				4,698,800,000
Current liabilities	92,800,000				114,800,000
Long-term debt less current portion	4,333,400,000				4,363,900,000
Other non-current liabilities	(85,300,000)				(48,100,000)
Liabilities of dicontinued operations held for sale	0				0
Inter-company	84,400,000				54,500,000
Additional paid-in capital	1,081,500,000				1,076,000,000
Retained deficit	(779,100,000)				(798,200,000)
Common Stock, Treasury Stock, and Other	(64,200,000)				(64,100,000)
Stockholders' Equity Attributable to Parent	238,200,000				213,700,000
Stockholders' Equity Attributable to Noncontrolling Interest	0				0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	238,200,000				213,700,000
Total liabilities and stockholders' equity	4,663,500,000				4,698,800,000
Statements of Cash Flows
Cash provided by (used in) operating activities	6,300,000		8,400,000
Capital expenditures	(3,300,000)		(2,400,000)
Payments to Acquire Intangible Assets	0
Purchase of held-to-maturity debt securities			4,400,000
Loans receivable, net	0		0
Increase (Decrease) in Restricted Cash	5,900,000
Other Investing Activities	1,700,000		1,300,000
Cash used in investing activities	4,300,000		3,300,000
Proceeds from Credit Facility	53,000,000
Repayments under Credit Facility	(15,000,000)
Repayments of Long-term Debt	(71,000,000)		(800,000)
Proceeds from Stock Options Exercised			900,000
Other Financing Activities	2,200,000		(900,000)
Cash provided by financing activities	(30,800,000)		(800,000)
Increase (decrease) in cash and cash equivalents	(20,200,000)		10,900,000
Cash and cash equivalents at the beginning of the period	28,600,000		5,500,000
Cash and cash equivalents at the end of the period	8,400,000		16,400,000
Guarantor Subsidiaries [Member]
Revenues:
Gaming	480,100,000	[1]	240,200,000	[1]
Food and beverage	27,600,000	[1]	12,900,000	[1]
Lodging	10,800,000	[1]	4,800,000	[1]
Retail, entertainment and other	14,200,000	[1]	8,700,000	[1]
Revenues	532,700,000	[1]	266,600,000	[1]
Expenses and other costs:
Gaming	248,000,000	[1]	135,700,000	[1]
Food and beverage	24,700,000	[1]	11,500,000	[1]
Lodging	5,100,000	[1]	3,000,000	[1]
Retail, entertainment and other	4,600,000	[1]	3,700,000	[1]
General and administrative and other	77,600,000	[1]	43,300,000	[1]
Pre-opening and development costs	2,800,000	[1]	500,000	[1]
Depreciation and amortization	56,600,000	[1]	21,600,000	[1]
Write-downs, reserves and recoveries, net	600,000	[1]	400,000	[1]
Total expenses and other costs	420,000,000	[1]	219,700,000	[1]
Operating income	112,700,000	[1]	46,900,000	[1]
Equity earnings of subsidiaries	0	[1]	0	[1]
Interest expense, net	1,600,000	[1]	400,000	[1]
Loss from equity method investments			0	[1]
Income (loss) from continuing operations before inter-company activity and income taxes	114,300,000	[1]	47,300,000	[1]
Management fee and inter-company interest	(38,600,000)	[1]	(2,400,000)	[1]
Income tax (expense) benefit	0	[1]	0	[1]
Income (loss) from continuing operations	75,700,000	[1]	44,900,000	[1]
Income from discontinued operations, net of income taxes	400,000	[1]	2,100,000	[1]
Net income (loss)	76,100,000	[1]	47,000,000	[1]
Balance Sheets
Current assets	179,200,000	[1]			185,100,000	[1]
Land, buildings, vessels and equipment, net	3,010,200,000	[1]			2,983,100,000	[1]
Goodwill	916,000,000				916,000,000
Intangible assets, net	500,000,000				495,100,000
Other non-current assets	8,600,000	[1]			6,600,000	[1]
Investment in subsidiaries	0	[1]			0	[1]
Assets of discontinued operations held for sale	318,200,000	[1]			318,800,000	[1]
Inter-company	85,600,000	[1]			55,700,000	[1]
Total assets	5,017,800,000	[1]			4,960,400,000	[1]
Current liabilities	254,100,000	[1]			231,400,000	[1]
Long-term debt less current portion	100,000	[1]			100,000	[1]
Other non-current liabilities	288,500,000	[1]			245,900,000	[1]
Liabilities of dicontinued operations held for sale	18,900,000				26,100,000	[1]
Inter-company	0	[1]			0	[1]
Additional paid-in capital	3,894,800,000	[1]			3,964,400,000	[1]
Retained deficit	560,900,000	[1]			492,000,000	[1]
Common Stock, Treasury Stock, and Other	500,000				500,000
Stockholders' Equity Attributable to Parent	4,456,200,000	[1]			4,456,900,000
Stockholders' Equity Attributable to Noncontrolling Interest	0	[1]			0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	4,456,200,000	[1]			4,456,900,000
Total liabilities and stockholders' equity	5,017,800,000	[1]			4,960,400,000	[1]
Statements of Cash Flows
Cash provided by (used in) operating activities	71,900,000	[1]	32,900,000	[1]
Capital expenditures	(64,000,000)		(36,700,000)
Payments to Acquire Intangible Assets	(10,000,000)
Purchase of held-to-maturity debt securities			0
Loans receivable, net	0		0
Increase (Decrease) in Restricted Cash	0
Other Investing Activities	(300,000)		1,200,000
Cash used in investing activities	(74,300,000)	[1]	(35,500,000)	[1]
Proceeds from Credit Facility	0	[1]
Repayments under Credit Facility	0	[1]
Repayments of Long-term Debt	0	[1]	0	[1]
Proceeds from Stock Options Exercised			0
Other Financing Activities	0		0
Cash provided by financing activities	0	[1]	0	[1]
Increase (decrease) in cash and cash equivalents	(2,400,000)	[1]	(2,600,000)	[1]
Cash and cash equivalents at the beginning of the period	142,300,000	[1]	73,500,000	[1]
Cash and cash equivalents at the end of the period	139,900,000	[1]	70,900,000	[1]
Non-Guarantor Subsidiaries [Member]
Revenues:
Gaming	0	[2]	0	[2]
Food and beverage	0	[2]	0	[2]
Lodging	0	[2]	0	[2]
Retail, entertainment and other	0	[2]	0	[2]
Revenues	0	[2]	0	[2]
Expenses and other costs:
Gaming	0	[2]	0	[2]
Food and beverage	0	[2]	0	[2]
Lodging	0	[2]	0	[2]
Retail, entertainment and other	0	[2]	0	[2]
General and administrative and other	0	[2]	100,000	[2]
Pre-opening and development costs	0	[2]	0	[2]
Depreciation and amortization	0	[2]	0	[2]
Write-downs, reserves and recoveries, net	0	[2]	(100,000)	[2]
Total expenses and other costs	0	[2]	0	[2]
Operating income	0	[2]	0	[2]
Equity earnings of subsidiaries	0	[2]	0	[2]
Interest expense, net	0	[2]	0	[2]
Loss from equity method investments			(92,200,000)
Income (loss) from continuing operations before inter-company activity and income taxes	0	[2]	(92,200,000)	[2]
Management fee and inter-company interest	0	[2]	0	[2]
Income tax (expense) benefit	0	[2]	0	[2]
Income (loss) from continuing operations	0	[2]	(92,200,000)	[2]
Income from discontinued operations, net of income taxes	(100,000)	[2]	0	[2]
Net income (loss)	(100,000)	[2]	(92,200,000)	[2]
Balance Sheets
Current assets	25,400,000	[2]			27,700,000	[2]
Land, buildings, vessels and equipment, net	5,600,000	[2]			5,700,000	[2]
Goodwill	3,300,000				3,300,000
Intangible assets, net	5,000,000				5,000,000
Other non-current assets	22,800,000	[2]			22,100,000	[2]
Investment in subsidiaries	0	[2]			0	[2]
Assets of discontinued operations held for sale	1,200,000	[2]			1,200,000	[2]
Inter-company	0	[2]			0	[2]
Total assets	63,300,000	[2]			65,000,000	[2]
Current liabilities	300,000	[2]			100,000	[2]
Long-term debt less current portion	0	[2]			0	[2]
Other non-current liabilities	0	[2]			0	[2]
Liabilities of dicontinued operations held for sale	0				0	[2]
Inter-company	1,200,000	[2]			1,200,000	[2]
Additional paid-in capital	324,200,000	[2]			325,700,000	[2]
Retained deficit	(273,900,000)	[2]			(273,500,000)	[2]
Common Stock, Treasury Stock, and Other	0				0
Stockholders' Equity Attributable to Parent	50,300,000	[2]			52,200,000
Stockholders' Equity Attributable to Noncontrolling Interest	11,500,000				11,500,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	61,800,000				63,700,000
Total liabilities and stockholders' equity	63,300,000	[2]			65,000,000	[2]
Statements of Cash Flows
Cash provided by (used in) operating activities	(2,600,000)	[2]	100,000	[2]
Capital expenditures	0		0
Payments to Acquire Intangible Assets	0
Purchase of held-to-maturity debt securities			(5,900,000)
Loans receivable, net	0		(4,600,000)
Increase (Decrease) in Restricted Cash	0
Other Investing Activities	300,000		(800,000)
Cash used in investing activities	300,000	[2]	(11,300,000)	[2]
Proceeds from Credit Facility	0	[2]
Repayments under Credit Facility	0	[2]
Repayments of Long-term Debt	0	[2]	0	[2]
Proceeds from Stock Options Exercised			0
Other Financing Activities	0		0
Cash provided by financing activities	0	[2]	0	[2]
Increase (decrease) in cash and cash equivalents	(2,300,000)	[2]	(11,200,000)	[2]
Cash and cash equivalents at the beginning of the period	27,700,000	[2]	22,800,000	[2]
Cash and cash equivalents at the end of the period	25,400,000	[2]	11,600,000	[2]
Consolidating and Eliminating Entries
Revenues:
Gaming	0		0
Food and beverage	0		0
Lodging	0		0
Retail, entertainment and other	0		0
Revenues	0		0
Expenses and other costs:
Gaming	0		0
Food and beverage	0		0
Lodging	0		0
Retail, entertainment and other	0		0
General and administrative and other	0		0
Pre-opening and development costs	0		0
Depreciation and amortization	0		0
Write-downs, reserves and recoveries, net	0		0
Total expenses and other costs	0		0
Operating income	0		0
Equity earnings of subsidiaries	(76,000,000)		45,200,000
Interest expense, net	0		0
Loss from equity method investments			0
Income (loss) from continuing operations before inter-company activity and income taxes	(76,000,000)		45,200,000
Management fee and inter-company interest	0		(300,000)
Income tax (expense) benefit	0		0
Income (loss) from continuing operations	(76,000,000)		44,900,000
Income from discontinued operations, net of income taxes	0		300,000
Net income (loss)	(76,000,000)		45,200,000
Balance Sheets
Current assets	0				0
Land, buildings, vessels and equipment, net	0				0
Goodwill	0				0
Intangible assets, net	0				0
Other non-current assets	0				0
Investment in subsidiaries	(4,505,700,000)				(4,508,300,000)
Assets of discontinued operations held for sale	(800,000)				(800,000)
Inter-company	(85,600,000)				(55,700,000)
Total assets	(4,592,100,000)				(4,564,800,000)
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				0
Inter-company	(85,600,000)				(55,700,000)
Additional paid-in capital	(4,219,000,000)				(4,290,100,000)
Retained deficit	(287,000,000)				(218,500,000)
Common Stock, Treasury Stock, and Other	(500,000)				(500,000)
Stockholders' Equity Attributable to Parent	(4,506,500,000)				(4,509,100,000)
Stockholders' Equity Attributable to Noncontrolling Interest	0				0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(4,506,500,000)				(4,509,100,000)
Total liabilities and stockholders' equity	(4,592,100,000)				(4,564,800,000)
Statements of Cash Flows
Cash provided by (used in) operating activities	0		0
Capital expenditures	0		0
Payments to Acquire Intangible Assets	0
Purchase of held-to-maturity debt securities			0
Loans receivable, net	0		0
Increase (Decrease) in Restricted Cash	0
Other Investing Activities	0		0
Cash used in investing activities	0		0
Proceeds from Credit Facility	0
Repayments under Credit Facility	0
Repayments of Long-term Debt	0		0
Proceeds from Stock Options Exercised			0
Other Financing 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] (a)As of March 31, 2014, the following material subsidiaries are identified as guarantors of our senior and senior subordinated notes: Belterra Resort Indiana, LLC; Boomtown, LLC; Casino Magic, LLC; Casino One Corporation; Louisiana-I Gaming; PNK (Baton Rouge) Partnership; PNK (BOSSIER CITY), Inc.; PNK Development 7, LLC; PNK Development 8, LLC; PNK Development 9, 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; Ameristar Casino Black Hawk, Inc.; Ameristar Casino Council Bluffs, Inc.; Ameristar Casino St. Charles, Inc.; Ameristar Casino Kansas City, Inc.; Ameristar Casino Vicksburg, Inc.; Cactus Pete’s, Inc.; Ameristar East Chicago Holdings, LLC; Ameristar Casino East Chicago, LLC; Ameristar Casino Springfield, LLC; and Ameristar Lake Charles Holdings, LLC. In addition, certain other immaterial subsidiaries are also guarantors of our senior and senior subordinated notes.

[2] (b)Guarantor subsidiaries of our senior and senior subordinated notes exclude subsidiaries with approximately $63.3 million in cash and other assets as of March 31, 2014 that include a subsidiary that owns a majority interest in the licensee of Retama Park Racetrack and certain other subsidiaries.