Discontinued Operations (Details Textual) $ in Millions	12 Months Ended
	Dec. 31, 2014 USD ($)	Aug. 13, 2012 bed	Jul. 19, 2012 Bed	Jul. 01, 2012 bed
East Mississippi Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued | Bed			1,500
Marshall County Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued		1,000
Walnut Grove Youth Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of beds discontinued				1,450
State of Mississippi Department of Corrections
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss contingency, amount of insurance liability | $	$ 2.3