Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended					0 Months Ended			0 Months Ended
	Dec. 31, 2013 ServiceCenter Bed facility	Dec. 31, 2012	Jan. 01, 2012	Dec. 31, 2013 Workforce Subject to Collective Bargaining Arrangements	Dec. 31, 2013 Workforce Subject to Collective Bargaining Arrangements Expiring within One Year	May 07, 2013 Joe Corley Detention Center bed	Jun. 30, 2013 Chief Executive Officer	May 29, 2013 Chief Executive Officer	Sep. 09, 2013 Immigration and Customs Enforcement bed	Sep. 23, 2013 California Department of Corrections and Rehabilitation	Sep. 23, 2013 Central Valley Modified Community Correctional Facility inmate bed	Sep. 23, 2013 Desert View Modified Community Correctional Facility bed	Oct. 21, 2013 Golden State Modified Community Correctional Facility bed inmate	Nov. 01, 2013 Maverick County Detention Center bed
Commitments and Contingencies [Line Items]
Operating Agreements, Renewal Option, Number	2
Operating Agreements, Renewal Option, Term	5 years
Leased ISAP service centers in connection with acquisition	37
Number of Real Estate Properties	68
Minimum rent expense	$ 35.9	$ 34.4	$ 35.9
Facility, number of beds						1,287			400		700	700	100	688
Acquisition, consideration transferred						65.0
Concentration risk, percentage				26.00%	14.00%
Maximum Performance Award as Percent of Annual Base Salary							100.00%	150.00%
Life term of contract									5 years	5 years
Number of Inmates in Facility Which Has Notice of Intent to Award Contract For											1,400		700
Number of vacant beds at its idle facilities	6,000
Number of marketed idle facilities	6
Carrying values of idle facilities	193.6
Estimated construction capital project cost	68.9
Cost already spent on existing capital projects	19.8
Remaining capital required for capital projects	49.1
Capital expenditure related to facility maintenance cost minimum range	$ 23.0