Business Segments and Geographic Information (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014 segment Facility	Dec. 31, 2013	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Number of Managed Correctional Facilities in Australia	4
Number of reportable business segments	4
Equity in earnings (losses) of affiliates, net of income tax provision	$ 5,823,000	$ 6,265,000	$ 3,578,000
SACS
Schedule of Equity Method Investments [Line Items]
Equity in earnings (losses) of affiliates, net of income tax provision	5,100,000	5,100,000	5,300,000
Investment in Joint Ventures	8,000,000	8,100,000
GEO Amey
Schedule of Equity Method Investments [Line Items]
Equity in earnings (losses) of affiliates, net of income tax provision	700,000	1,100,000	(1,700,000)
Investment in Joint Ventures	$ (2,200,000)	$ (3,000,000)