Consolidating Condensed Financial Information - Statements of Operations (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues:
Gaming									$ 1,042,515,000		$ 997,613,000		$ 932,894,000
Food and beverage									74,551,000		69,383,000		64,414,000
Other									80,000,000		74,200,000		61,300,000
Total revenues	301,600,000	304,200,000	298,300,000	293,000,000	275,800,000	295,900,000	289,400,000	280,100,000	1,197,103,000		1,141,198,000		1,058,568,000
Expenses and other costs:
Gaming									588,646,000		575,265,000		541,052,000
Food and beverage									64,537,000		60,748,000		57,636,000
General and administrative and other									289,200,000		268,500,000		266,200,000
Depreciation and amortization									115,694,000		103,863,000		109,745,000
Write-downs, reserves, recoveries and impairments									11,800,000		4,200,000		31,800,000
Total expenses and other costs									1,069,882,000		1,012,588,000		1,006,383,000
Operating income (loss)	11,900,000	33,000,000	38,800,000	43,500,000	37,100,000	37,500,000	22,000,000	32,100,000	127,221,000		128,610,000		52,185,000
Equity earnings of subsidiaries									0
Interest expense, net of capitalized interest									(93,687,000)		(95,308,000)		(102,867,000)
Loss on early extinguishment of debt									(20,718,000)		(183,000)		(1,852,000)
Loss from equity method investment					(600,000)				(30,780,000)		(588,000)		0
Income (loss) from continuing operations before inter-company activity and income taxes									(17,900,000)		32,500,000		(52,500,000)
Management fee and inter company interest									0		0		0
Income tax (expense) benefit									(4,675,000)		(2,335,000)		11,693,000
Income (loss) from continuing operations	(42,000,000)	6,800,000	12,900,000	(300,000)	17,700,000	11,800,000	(5,200,000)	5,900,000	(22,639,000)		30,196,000		(40,841,000)
Income (loss) from discontinued operations, net of income taxes	(400,000)	(7,100,000)	(1,000,000)	(700,000)	7,300,000	(12,600,000)	(23,900,000)	(3,600,000)	(9,166,000)		(32,735,000)		17,422,000
Net income (loss)	(42,400,000)	(300,000)	12,000,000	(1,000,000)	25,000,000	(800,000)	(29,100,000)	2,400,000	(31,805,000)		(2,539,000)		(23,419,000)
Pinnacle Entertainment, Inc.
Revenues:
Gaming									0		0		0
Food and beverage									0		0		0
Other									100,000		100,000		400,000
Total revenues									100,000		100,000		400,000
Expenses and other costs:
Gaming									0		0		0
Food and beverage									0		0		0
General and administrative and other									29,800,000		37,400,000		42,800,000
Depreciation and amortization									3,300,000		3,400,000		5,300,000
Write-downs, reserves, recoveries and impairments									300,000		700,000		(5,900,000)
Total expenses and other costs									33,400,000		41,500,000		42,200,000
Operating income (loss)									(33,300,000)		(41,400,000)		(41,800,000)
Equity earnings of subsidiaries									111,200,000		127,800,000		99,600,000
Interest expense, net of capitalized interest									(114,400,000)		(105,700,000)		(105,600,000)
Loss on early extinguishment of debt									(20,700,000)		(200,000)		(1,900,000)
Loss from equity method investment									0		0
Income (loss) from continuing operations before inter-company activity and income taxes									(57,200,000)		(19,500,000)		(49,700,000)
Management fee and inter company interest									(30,100,000)		(19,300,000)		(14,600,000)
Income tax (expense) benefit									(4,700,000)		(2,300,000)		11,700,000
Income (loss) from continuing operations									(31,800,000)		(2,500,000)		(23,400,000)
Income (loss) from discontinued operations, net of income taxes									0		0		0
Net income (loss)									(31,800,000)		(2,500,000)		(23,400,000)
100% Owned Guarantor Subsidiaries
Revenues:
Gaming									1,042,500,000	[1]	997,600,000	[1]	932,900,000	[1]
Food and beverage									74,600,000	[1]	69,400,000	[1]	64,400,000	[1]
Other									79,400,000	[1]	74,100,000	[1]	60,900,000	[1]
Total revenues									1,196,500,000	[1]	1,141,100,000	[1]	1,058,200,000	[1]
Expenses and other costs:
Gaming									588,600,000		575,300,000	[1]	541,100,000	[1]
Food and beverage									64,500,000	[1]	60,700,000	[1]	57,600,000	[1]
General and administrative and other									256,600,000	[1]	231,100,000	[1]	224,000,000	[1]
Depreciation and amortization									112,200,000	[1]	100,500,000	[1]	104,300,000	[1]
Write-downs, reserves, recoveries and impairments									9,800,000	[1]	3,500,000	[1]	38,200,000	[1]
Total expenses and other costs									1,031,700,000	[1]	971,100,000	[1]	965,200,000	[1]
Operating income (loss)									164,800,000	[1]	170,000,000	[1]	93,000,000	[1]
Equity earnings of subsidiaries									0	[1]	0	[1]	2,100,000	[1]
Interest expense, net of capitalized interest									12,100,000	[1]	7,000,000	[1]	2,800,000	[1]
Loss on early extinguishment of debt									0	[1]	0	[1]	0	[1]
Loss from equity method investment									0	[1]	0
Income (loss) from continuing operations before inter-company activity and income taxes									176,900,000	[1]	177,000,000	[1]	97,900,000	[1]
Management fee and inter company interest									21,700,000	[1]	15,900,000	[1]	14,600,000	[1]
Income tax (expense) benefit									0	[1]	0	[1]	0	[1]
Income (loss) from continuing operations									155,200,000	[1]	161,100,000	[1]	83,300,000	[1]
Income (loss) from discontinued operations, net of income taxes									(9,100,000)	[1]	(32,900,000)	[1]	15,800,000	[1]
Net income (loss)									146,100,000	[1]	128,200,000	[1]	99,100,000	[1]
100% Owned Non-Guarantor Subsidiaries
Revenues:
Gaming									0	[2]	0	[2]	0	[2]
Food and beverage									0	[2]	0	[2]	0	[2]
Other									500,000	[2]	0	[2]	0	[2]
Total revenues									500,000	[2]	0	[2]	0	[2]
Expenses and other costs:
Gaming									0	[2]	0	[2]	0	[2]
Food and beverage									0	[2]	0	[2]	0	[2]
General and administrative and other									2,800,000	[2]	0	[2]	(600,000)	[2]
Depreciation and amortization									200,000	[2]	0	[2]	100,000	[2]
Write-downs, reserves, recoveries and impairments									1,700,000	[2]	0	[2]	(500,000)	[2]
Total expenses and other costs									4,700,000	[2]	0	[2]	(1,000,000)	[2]
Operating income (loss)									(4,200,000)	[2]	0	[2]	1,000,000	[2]
Equity earnings of subsidiaries									0	[2]	0	[2]	0	[2]
Interest expense, net of capitalized interest									8,600,000	[2]	3,400,000	[2]	0	[2]
Loss on early extinguishment of debt									0	[2]			0	[2]
Loss from equity method investment									(30,800,000)	[2]	(600,000)
Income (loss) from continuing operations before inter-company activity and income taxes									(26,400,000)	[2]	2,800,000	[2]	1,000,000	[2]
Management fee and inter company interest									8,400,000	[2]	3,400,000	[2]	0	[2]
Income tax (expense) benefit									0	[2]	0	[2]	0	[2]
Income (loss) from continuing operations									(34,800,000)	[2]	(600,000)	[2]	1,000,000	[2]
Income (loss) from discontinued operations, net of income taxes									(100,000)	[2]	200,000	[2]	1,600,000	[2]
Net income (loss)									(34,900,000)	[2]	(400,000)	[2]	2,600,000	[2]
Consolidating and Eliminating Entries
Revenues:
Gaming									0		0		0
Food and beverage									0		0		0
Other									0		0		0
Total revenues									0		0		0
Expenses and other costs:
Gaming									0		0		0
Food and beverage									0		0		0
General and administrative and other									0		0		0
Depreciation and amortization									0		0		0
Write-downs, reserves, recoveries and impairments									0		0		0
Total expenses and other costs									0		0		0
Operating income (loss)									0		0		0
Equity earnings of subsidiaries									(111,200,000)		(127,800,000)		(101,700,000)
Interest expense, net of capitalized interest									0		0		0
Loss on early extinguishment of debt									0		0	[2]	0
Loss from equity method investment									0		0
Income (loss) from continuing operations before inter-company activity and income taxes									(111,200,000)		(127,800,000)		(101,700,000)
Management fee and inter company interest									0		0		0
Income tax (expense) benefit									0		0		0
Income (loss) from continuing operations									(111,200,000)		(127,800,000)		(101,700,000)
Income (loss) from discontinued operations, net of income taxes									0		0		0
Net income (loss)									$ (111,200,000)		$ (127,800,000)		$ (101,700,000)

[1] The following material subsidiaries are identified as guarantors of our senior and senior subordinated notes: ACE Gaming, LLC; AREP BoardwalkProperties 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; a subsidiary that owns a minority interest in ACDL; a subsidiary with $3.9 million in cash and cash equivalents as of December 31, 2012; a subsidiary with approximately $4.4 million in total assets as of December 31, 2012; a subsidiary with $25.2 million in total assets as of December 31, 2012; a subsidiary with $4.3 million in total assets as of December 31, 2012; and certain non-material subsidiaries.