Consolidating Condensed Financial Information - Statements of Cash Flows (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Condensed Financial Statements
Cash provided by (used in) operating activities	$ 186,906,000		$ 131,809,000		$ 88,683,000
Cash provided by (used in) investing activities	(302,079,000)		(293,376,000)		(130,651,000)
Cash provided by financing activities	136,671,000		46,474,000		108,158,000
Effect of exchange rate changes on cash and cash equivalents	0		0		(379,000)
Increase (decrease) in cash and cash equivalents	21,498,000		(115,093,000)		65,811,000
Cash and cash equivalents at the beginning of the year	80,294,000		195,387,000		129,576,000
Cash and cash equivalents at the end of the year	101,792,000		80,294,000		195,387,000
Pinnacle Entertainment, Inc.
Condensed Financial Statements
Cash provided by (used in) operating activities	(140,000,000)		(95,000,000)		(32,000,000)
Capital expenditures and other	(8,500,000)		(11,100,000)		(700,000)
Cash provided by (used in) investing activities	(8,500,000)		(11,100,000)		(700,000)
Change in notes payable and other	136,700,000		46,400,000		108,200,000
Cash provided by financing activities	136,700,000		46,400,000		108,200,000
Effect of exchange rate changes on cash and cash equivalents					0
Increase (decrease) in cash and cash equivalents	(11,800,000)		(59,700,000)		75,500,000
Cash and cash equivalents at the beginning of the year	17,300,000		77,000,000		1,500,000
Cash and cash equivalents at the end of the year	5,500,000		17,300,000		77,000,000
100% Owned Guarantor Subsidiaries
Condensed Financial Statements
Cash provided by (used in) operating activities	277,700,000	[1]	190,400,000	[1]	160,700,000	[1]
Capital expenditures and other	(252,200,000)	[1]	(184,000,000)	[1]	(175,800,000)	[1]
Cash provided by (used in) investing activities	(252,200,000)	[1]	(184,000,000)	[1]	(175,800,000)	[1]
Change in notes payable and other	0	[1]	0	[1]	0	[1]
Cash provided by financing activities	0	[1]	0	[1]	0	[1]
Effect of exchange rate changes on cash and cash equivalents					0	[1]
Increase (decrease) in cash and cash equivalents	25,500,000	[1]	6,400,000	[1]	(15,100,000)	[1]
Cash and cash equivalents at the beginning of the year	48,000,000	[1]	41,600,000	[1]	56,700,000	[1]
Cash and cash equivalents at the end of the year	73,500,000	[1]	48,000,000	[1]	41,600,000	[1]
100% Owned Non-Guarantor Subsidiaries
Condensed Financial Statements
Cash provided by (used in) operating activities	49,200,000	[2]	(100,000)	[2]	(40,100,000)	[2]
Capital expenditures and other	(41,400,000)	[2]	(98,200,000)	[2]	45,900,000	[2]
Cash provided by (used in) investing activities	(41,400,000)	[2]	(98,200,000)	[2]	45,900,000	[2]
Change in notes payable and other	0	[2]	36,500,000	[2]	0	[2]
Cash provided by financing activities	0	[2]	36,500,000	[2]	0	[2]
Effect of exchange rate changes on cash and cash equivalents					(400,000)	[2]
Increase (decrease) in cash and cash equivalents	7,800,000	[2]	(61,800,000)	[2]	5,400,000	[2]
Cash and cash equivalents at the beginning of the year	15,000,000	[2]	76,800,000	[2]	71,400,000	[2]
Cash and cash equivalents at the end of the year	22,800,000	[2]	15,000,000	[2]	76,800,000	[2]
Consolidating and Eliminating Entries
Condensed Financial Statements
Cash provided by (used in) operating activities	0		36,500,000		0
Capital expenditures and other	0		0		0
Cash provided by (used in) investing activities	0		0		0
Change in notes payable and other	0		(36,500,000)		0
Cash provided by financing activities	0		(36,500,000)		0
Effect of exchange rate changes on cash and cash equivalents					0
Increase (decrease) in cash and cash equivalents	0		0		0
Cash and cash equivalents at the beginning of the year	0		0		0
Cash and cash equivalents at the end of the year	0		0		0
PNK Development 11
Condensed Financial Statements
Cash and cash equivalents at the end of the year	3,900,000
Non Material Subsidiary
Condensed Financial Statements
Cash and cash equivalents at the end of the year	$ 4,400,000

[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.