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Business Segments and Geographic Information (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
Facility
segment
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Schedule of Equity Method Investments [Line Items]      
Number of reportable business segments | segment 4    
Number of managed correctional facilities in Australia | Facility 4    
Equity in earnings (losses) of affiliates, net of income tax provision $ 6,925 $ 5,533 $ 5,823
SACS      
Schedule of Equity Method Investments [Line Items]      
Equity in earnings (losses) of affiliates, net of income tax provision 4,300 4,700 5,100
Investment in Joint Ventures 11,800 9,000  
Dividend distributions received 1,600 3,200  
GEO Amey      
Schedule of Equity Method Investments [Line Items]      
Equity in earnings (losses) of affiliates, net of income tax provision 2,600 800 $ 700
Advances to Affiliate $ 1,300 $ (1,200)