Commitments, Contingencies And Other (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014 Bed facility	Apr. 30, 2014 Moore Haven Correctional Facility [Member] bed	Apr. 01, 2014 Rio Grande Detention Center [Member] bed
Commitments and Contingencies (Textual) [Abstract]
Estimated construction capital project cost	$ 119.1
Cost already spent on existing capital projects	41.1
Remaining capital required for capital projects	78.0
Facility, Additional Number of Beds		640
Number of beds in a facility		1,300	260
Number of vacant beds at idle facilities marketed to potential customers	5,800
Number of marketed idle facilities	5
Carrying values of idle facilities marketed to potential customers	$ 183