CONDENSED CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified		Total	Total Six Flags Entertainment Corporation	Common stock	Capital in excess of par value	Retained earnings (Accumulated deficit)	Accumulated other comprehensive income (loss)	Non-controlling interests
Balances at Dec. 31, 2011		$ 767,148	$ 763,478	$ 1,366	$ 832,112	$ (20,088)	$ (49,912)	$ 3,670
Balances (in shares) at Dec. 31, 2011	[1]			109,283,770
Increase (Decrease) in Stockholders' Equity
Issuance of common stock		9,379	9,379	13	9,357	9
Issuance of common stock (in shares)	[1]			1,002,560
Restricted stock unit grants		31,346	31,346		31,346
Stock-based compensation		31,917	31,917		31,917
Dividends declared to common shareholders		(66,838)	(66,838)			(66,838)
Repurchase of common stock		(98,401)	(98,401)	(52)	(30,534)	(67,815)
Repurchase of common stock (in shares)	[1]			(4,154,966)
Employee stock purchase plan		691	691		691
Employee stock purchase plan (in shares)	[1]			25,554
Fresh start valuation adjustment for SFOT units and SFOG units purchased		453	453			453
Net loss attributable to Six Flags Entertainment Corporation		(42,844)	(42,844)			(42,844)
Net other comprehensive income (loss), net of tax		1,862	1,862				1,862
Net income attributable to noncontrolling interest		186						186
Balances at Jun. 30, 2012		634,899	631,043	1,327	874,889	(197,123)	(48,050)	3,856
Balances (in shares) at Jun. 30, 2012	[1]			106,156,918
Balances at Dec. 31, 2012		896,153	892,219	1,345	904,713	15,849	(29,688)	3,934
Balances (in shares) at Dec. 31, 2012	[1]			107,637,524
Increase (Decrease) in Stockholders' Equity
Issuance of common stock		4,005	4,005	4	4,001
Issuance of common stock (in shares)	[1]			299,919
Forfeiture of restricted stock units (in shares)	[1]			(9,720)
Stock-based compensation		14,419	14,419		14,419
Dividends declared to common shareholders		(88,435)	(88,435)			(88,435)
Repurchase of common stock		(403,663)	(403,663)	(153)	(89,663)	(313,847)
Repurchase of common stock (in shares)	[1]			(12,200,892)
Two-for-one common stock split				1,197	(1,197)
Employee stock purchase plan		568	568	1	567
Employee stock purchase plan (in shares)	[1]			20,311
Fresh start valuation adjustment for SFOT units and SFOG units purchased		84	84			84
Net loss attributable to Six Flags Entertainment Corporation		(15,166)	(15,166)			(15,166)
Net other comprehensive income (loss), net of tax		(1,021)	(1,021)				(1,021)
Net income attributable to noncontrolling interest		386						386
Balances at Jun. 30, 2013		$ 407,330	$ 403,010	$ 2,394	$ 832,840	$ (401,515)	$ (30,709)	$ 4,320
Balances (in shares) at Jun. 30, 2013	[1]			95,747,142

[1] All common stock amounts have been retroactively adjusted to reflect Holdings' two-for-one common stock split in June 2013, as described in Note 2 to these condensed consolidated financial statements.