Acquisitions Narrative (Details) (USD $)	3 Months Ended	12 Months Ended			0 Months Ended					1 Months Ended		3 Months Ended	0 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 16, 2013	Feb. 09, 2012	May 31, 2012	Dec. 07, 2011	Jan. 31, 2013 director	Nov. 30, 2013	Jan. 31, 2013	Jul. 31, 2013	Jun. 19, 2013	Nov. 05, 2012 facility	Aug. 15, 2011	Jul. 31, 2012	May 31, 2013
Business Acquisition [Line Items]
Net revenues			$ 182,591,000	$ 164,652,000
Net income			22,423,000	31,399,000
Impairment of goodwill	36,700,000	36,666,000	0	192,000
Goodwill	30,864,000	30,864,000	67,530,000	53,093,000
Provider of Soccer Clinics | UK Elite
Business Acquisition [Line Items]
Total purchase price		500,000
Number of businesses acquired		3
Purchase price		1,000,000
Current assets	200,000	200,000
Current liabilities	600,000	600,000
Intangible assets	900,000	900,000
Black Hawk
Business Acquisition [Line Items]
Total purchase price					59,600,000
Purchase price, in cash					34,600,000
Purchase price, additional borrowings					25,000,000
Net revenues			2,500,000
Net income			800,000
Goodwill					10,576,000
Intangible assets					12,210,000
Black Hawk | Customer Relationships, Trade Names, and Non-compete Arrangement
Business Acquisition [Line Items]
Amortization period (in years)		5 years
Eagle Well
Business Acquisition [Line Items]
Purchase price, in cash						48,100,000
Goodwill						10,126,000
Eagle Well | Customer relationships
Business Acquisition [Line Items]
Amortization period (in years)		10 years
Sun Well
Business Acquisition [Line Items]
Total purchase price							68,700,000
Purchase price, shares issued							2,027,500
Purchase price, common stock value							60,800,000
Purchase price, in cash							7,900,000
Goodwill, purchase accounting adjustments			1,800,000
Goodwill							38,401,000
Sun Well | Steel Partners
Business Acquisition [Line Items]
Ownership percentage							85.00%
Equity ownership percentage							40.00%
Sun Well | Customer relationships
Business Acquisition [Line Items]
Amortization period (in years)		10 years
Sun Well | Trade names
Business Acquisition [Line Items]
Amortization period (in years)		5 years
Eagle Well and Sun Well
Business Acquisition [Line Items]
Net revenues				70,400,000
Net income				14,600,000
Impairment of goodwill	30,400,000
Rogue
Business Acquisition [Line Items]
Impairment of goodwill		6,300,000
Reversal of contingent consideration			500,000	700,000
Performance period (in years)								3 years
Ruckus
Business Acquisition [Line Items]
Total purchase price									1,000,000
Purchase price, in cash									900,000			1,300,000
Purchase price, additional borrowings									100,000
Ownership percentage									20.00%		20.00%	15.00%					10.00%
Equity ownership percentage									20.00%		20.00%
Additional membership interest (as a percent)									40.00%			45.00%
Period during which company has the option to acquire additional interest (in years)									2 years
Number of directors appointed									2
Number of directors on board									3
Control premium											50.00%
Goodwill									3,600,000		3,600,000
Noncontrolling interest									2,300,000		2,300,000
Impairment charge										3,600,000
UK Elite
Business Acquisition [Line Items]
Purchase price, in cash													2,300,000
Net revenues			6,200,000
Net income			600,000
Ownership percentage													80.00%
Goodwill													2,018,000
UK Elite | Customer relationships
Business Acquisition [Line Items]
Amortization period (in years)		4 years
UK Elite | Trade names
Business Acquisition [Line Items]
Amortization period (in years)		5 years
Crossfit Facilities
Business Acquisition [Line Items]
Purchase price, in cash														100,000
Purchase price, commitment to provide funding														1,100,000
Ownership percentage	86.00%	86.00%												50.00%
Goodwill														200,000
Noncontrolling interest														100,000
Number of Crossfit facilities														2
The Show
Business Acquisition [Line Items]
Total purchase price															1,500,000
Ownership percentage															75.00%
Impairment of goodwill																$ 1,800,000