Contracts Receivable (Details)				0 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 Ravenhall USD ($)	Sep. 16, 2014 Ravenhall The GEO Group Australia	Sep. 16, 2014 Ravenhall The GEO Group Australia inmate Bed	Dec. 31, 2014 National Australia Bank Limited Non Recourse Debt Ravenhall USD ($)	Dec. 31, 2014 National Australia Bank Limited Non Recourse Debt Ravenhall AUD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Facility, number of beds					1,000
Number of inmates, capacity					1,300
Facility operation contract term				25 years
Capital contribution						$ 93,800,000	115,000,000
Lump sum due at completion						252,900,000	310,000,000
Contract receivable	$ 66,229,000	$ 0	$ 66,200,000